Discount Rate Selection Guide
How to Select Discount Rates: Implicit Rate vs Incremental Borrowing Rate Under ASC 842
ASC 842-20-30-3 establishes the discount rate hierarchy for lessees. The default rate is the rate implicit in the lease if readily determinable. If the implicit rate cannot be readily determined (which is typical for lessees because it requires knowledge of the lessor’s expected residual value and unearned income), the lessee uses its incremental borrowing rate (IBR). The IBR is defined as the rate the lessee would have to pay to borrow on a collateralized basis over a similar term, in a similar economic environment, the funds necessary to obtain an asset of similar value to the right-of-use asset. Practical expedient for non-public business entities: may elect to use a risk-free rate (e.g., Treasury rate) instead of IBR. Discount rate selection materially affects lease liability and ROU asset measurement. Higher rates produce lower lease liability (smaller present value); lower rates produce higher liability. IBR determination requires judgment supported by documented methodology. Common approaches: organization’s existing borrowing rates with term and security adjustments; market rates for similar borrowings adjusted for organization credit; treasury rates plus credit spread. This guide covers the discount rate hierarchy, IBR determination, practical considerations, and the infrastructure supporting discount rate management.
⚡ Key Takeaway
ASC 842-20-30-3 establishes the discount rate hierarchy for lessees. The default rate is the rate implicit in the lease if readily determinable. If the implicit rate cannot be readily determined (which is typical for lessees because it requires knowledge of the lessor’s expected residual value and unearned income), the lessee uses its incremental borrowing rate (IBR). The IBR is defined as the rate the lessee would have to pay to borrow on a collateralized basis over a similar term, in a similar economic environment, the funds necessary to obtain an asset of similar value to the right-of-use asset. Practical expedient for non-public business entities: may elect to use a risk-free rate (e.g., Treasury rate) instead of IBR. Discount rate selection materially affects lease liability and ROU asset measurement. Higher rates produce lower lease liability (smaller present value); lower rates produce higher liability. IBR determination requires judgment supported by documented methodology. Common approaches: organization’s existing borrowing rates with term and security adjustments; market rates for similar borrowings adjusted for organization credit; treasury rates plus credit spread. LeaseCommand supports IBR documentation and application across lease portfolios.
ASC 842-20-30-3
Discount rate hierarchy governing lessee accounting
Implicit Rate Default
Default rate if readily determinable; rarely available to lessees
IBR Typical
Incremental borrowing rate used by most lessees
Discount Rate Hierarchy
ASC 842-20-30-3 establishes the discount rate hierarchy for lessees applying ASC 842. The hierarchy: the default rate is the rate implicit in the lease, if readily determinable. The rate implicit in the lease is the rate that, at the lease commencement date, causes the present value of lease payments and unguaranteed residual value to equal the fair value of the underlying asset, less any related investment tax credit retained by the lessor. If the rate implicit in the lease cannot be readily determined, the lessee uses its incremental borrowing rate (IBR). The IBR is the rate the lessee would have to pay to borrow, on a collateralized basis over a similar term, the funds necessary to obtain an asset of similar value to the right-of-use asset in a similar economic environment. Practical expedient for non-public business entities: may elect to use a risk-free rate (e.g., Treasury rate of similar term) instead of IBR. Election is by asset class. Why implicit rate is rarely available to lessees: determining the implicit rate requires knowledge of the lessor’s expected residual value and unearned income from the lease. The lessor’s residual value expectation and unearned income calculations are not typically disclosed to lessees. Without this information, the implicit rate cannot be determined. Some specific situations may allow implicit rate determination: when the lessor is a related party and shares relevant information; when sufficient information is provided in lease documentation; specific industry arrangements where information is shared. In practice, very few lessees can readily determine the implicit rate. Most lessees therefore use the IBR as the default rate. The incremental borrowing rate (IBR) framework: ASC 842 defines IBR as the rate the lessee would have to pay to borrow on a collateralized basis over a similar term, in a similar economic environment, the funds necessary to obtain an asset of similar value to the right-of-use asset. Key elements: collateralized basis: rate for secured borrowing (not unsecured). For real estate leases, this might approximate mortgage rates; for equipment leases, equipment financing rates. Similar term: term should match the lease term being assessed. Different lease terms warrant different rates. Similar economic environment: current economic conditions at the lease commencement date. Reflects current credit markets and the organization’s current credit standing. Funds necessary to obtain an asset of similar value: borrowing amount should approximate the ROU asset value (effectively the present value of lease payments). The IBR is rate-specific to the particular lease — different leases may have different IBRs based on term, security, currency, and other factors. IBR determination approaches: organizations use various approaches to determine IBR. Common methodologies include: organization’s existing borrowing rates with adjustments — use rates from organization’s existing debt as starting point, adjusted for differences in term, security, currency. May use term loan rates, revolving credit rates, or other organization debt. Market rates for similar borrowings — derive rates from market data for similar borrowings (similar size, term, security, credit). Bond market rates, syndicated loan rates, or other market indicators. Adjustments for organization-specific credit. Treasury rates plus credit spread — use risk-free Treasury rate plus credit spread reflecting organization’s credit standing. Risk-free rate from Treasury yield curve; credit spread from organization’s actual or implied credit ratings. Building blocks approach — systematically build IBR from components: risk-free rate (Treasury); credit spread; term adjustments; security adjustments; currency adjustments. Documented build-up supports rate. Each approach has advantages and limitations. Material lease portfolios benefit from documented methodology applied consistently across leases.Implicit Rate Definition
Rate that equates present value of lease payments and unguaranteed residual to fair value of underlying asset.Rarely Available
Implicit rate requires lessor’s residual and unearned income knowledge — not typically disclosed to lessees.IBR Default
When implicit rate not readily determinable, IBR is used. Default approach for most lessees.Risk-Free Expedient
Non-public business entities may elect risk-free rate. Election by asset class. Simpler than IBR but typically lower rate.IBR Determination Process
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1
Identify Lease Characteristics
Identify lease characteristics affecting IBR — lease term, asset value, collateral characteristics, currency, geographic location. -
2
Identify Reference Rates
Identify reference rates for similar borrowings — organization’s existing debt, market rates, Treasury rates. Multiple sources support documented analysis. -
3
Apply Adjustments
Apply adjustments for differences — term, security, currency, geographic factors. Document each adjustment with supporting analysis. -
4
Document Methodology
Document IBR determination methodology — reference rates, adjustments, supporting analysis, final IBR. Comprehensive documentation supports audit defense. -
5
Consistent Application
Apply methodology consistently across leases. Different lease characteristics may produce different IBRs but methodology consistent. -
6
Periodic Updates
Update IBR methodology periodically reflecting changes in credit markets, organization credit standing, and lease characteristics. -
7
Modification Rate Tracking
For lease modifications, use IBR at modification date (not original IBR). Track IBR history over time for modification accounting. -
8
Audit Defense
Comprehensive documentation supports audit defense. External auditors may challenge IBR determination — documented methodology provides robust response.
Practical Considerations
Material Impact
Discount rate materially affects lease liability and ROU asset measurement. Small rate changes produce material balance sheet differences.Rate History
Maintain history of IBRs over time. Modifications use rate at modification date. Audit trail of rate determinations supports defense.Documentation Critical
IBR determination is judgmental. Comprehensive documentation of methodology and analysis essential. Supports audit defense.Audit Scrutiny
External auditors scrutinize IBR determinations. Documented methodology, supporting analysis, and reasonable conclusions reduce audit findings.Multi-Currency Considerations
Lease in different currency uses IBR in that currency. Multiple IBRs may be needed for global portfolios.Credit Standing Changes
Organization credit standing changes affect IBR. Improved credit reduces rate; weakened credit increases rate. Reflected in updated determinations.How LeaseCommand Helps
LeaseCommand supports discount rate management.IBR Application
Apply IBR to lease liability and ROU asset calculations. Consistent application across portfolio per documented methodology.Documentation
Document IBR methodology, reference rates, adjustments, supporting analysis. Comprehensive audit trail.Rate History
Track IBR history over time. Modifications use rate at modification date. Lease commencement uses rate at commencement.Sensitivity Analysis
Analyze sensitivity of lease liability and ROU asset to rate changes. Supports impact assessment for rate updates.Multi-Currency Support
Support multiple IBRs for global portfolios. Different currencies, geographies, and lease characteristics.ERP Integration
Integration with Oracle NetSuite, Sage Intacct, Restaurant365, and QuickBooks Online for accounting entry sync.Document and Apply IBR Methodology
LeaseCommand supports IBR documentation, application, and audit defense for ASC 842 Compliance across portfolios.Frequently Asked Questions
ASC 842-20-30-3 establishes the discount rate hierarchy for lessees applying ASC 842 lessee accounting. The hierarchy: the default rate is the rate implicit in the lease, if readily determinable. The rate implicit in the lease is defined as the rate that, at the lease commencement date, causes the present value of lease payments and unguaranteed residual value to equal the fair value of the underlying asset, less any related investment tax credit retained by the lessor. If the rate implicit in the lease cannot be readily determined, the lessee uses its incremental borrowing rate (IBR). The IBR is the rate the lessee would have to pay to borrow, on a collateralized basis over a similar term, the funds necessary to obtain an asset of similar value to the right-of-use asset in a similar economic environment. Practical expedient for non-public business entities: a non-public business entity may elect to use a risk-free rate (e.g., Treasury rate of similar term) instead of IBR for measurement. The election is by class of underlying asset (not lease-by-lease). Once elected for a class, applies to all leases of that class. The election is permitted only for non-public business entities (not for public business entities or non-profit entities). Why hierarchy matters: the discount rate materially affects lease accounting. Higher rates produce smaller present values (smaller lease liability, smaller ROU asset). Lower rates produce larger present values. Rate selection has substantial financial reporting consequences. Why implicit rate first: the implicit rate represents the lessor’s perspective on the lease economics. If readily determinable, it reflects the actual economics of the lease arrangement. Theoretically most relevant rate. However, the implicit rate calculation requires information about the lessor’s expected residual value and unearned income from the lease. The lessor’s residual value expectation and unearned income calculations are typically proprietary information not disclosed to lessees. Without this information, the implicit rate cannot be readily determined. Result: most lessees use IBR. In practice, very few lessees can readily determine the implicit rate. Most lessees therefore use IBR as the operative discount rate. Some specific scenarios may allow implicit rate determination: related party leases where the parties share information; lease arrangements with detailed disclosures (uncommon); specific industries where information is shared. Practical considerations: organizations should document their analysis of whether implicit rate is determinable. If not determinable, document the basis for using IBR. Consistent application across portfolio. Lessor accounting (the other side of the transaction) uses the implicit rate — lessors have the necessary information. Lessor accounting framework is separate from lessee accounting framework. Disclosures: ASC 842 disclosures include weighted average discount rate. Helps users understand rate environment for the portfolio.
The incremental borrowing rate (IBR) is defined under ASC 842 as the rate the lessee would have to pay to borrow on a collateralized basis over a similar term, in a similar economic environment, the funds necessary to obtain an asset of similar value to the right-of-use asset. Key elements explained: “rate the lessee would have to pay to borrow”: the rate the lessee would face in actual borrowing, not a theoretical rate. Reflects lessee’s actual credit standing and borrowing characteristics. “On a collateralized basis”: rate for secured borrowing (not unsecured). The lease itself provides some security (the ROU asset). Collateralized rate appropriate to reflect security characteristics. For real estate leases, this might approximate mortgage rates (collateralized by real estate); for equipment leases, equipment financing rates (collateralized by equipment). “Over a similar term”: term should match the lease term being assessed. Different lease terms warrant different rates. Long-term leases use long-term rates; short-term leases use short-term rates. “In a similar economic environment”: current economic conditions at the lease commencement date. Reflects current credit markets and the organization’s current credit standing. Use rate at lease commencement, not at some other point. “Funds necessary to obtain an asset of similar value to the right-of-use asset”: borrowing amount should approximate the ROU asset value (effectively the present value of lease payments). Reflects appropriate borrowing size. Practical IBR determination: organizations use various approaches. Common methodologies: organization’s existing borrowing rates with adjustments: use rates from organization’s existing debt as starting point. Adjust for differences in term, security, currency, etc. May use term loan rates, revolving credit rates, or other organization debt. Market rates for similar borrowings: derive rates from market data for similar borrowings. Bond market rates, syndicated loan rates, or other market indicators. Adjustments for organization-specific credit. Treasury rates plus credit spread: use risk-free Treasury rate plus credit spread reflecting organization’s credit standing. Risk-free rate from Treasury yield curve; credit spread from credit ratings (actual or implied). Building blocks approach: systematically build IBR from components: risk-free rate, credit spread, term adjustments, security adjustments, currency adjustments. Documented build-up supports rate. The IBR is rate-specific to each lease. Different leases may have different IBRs based on: term (3-year vs 10-year vs 20-year leases); security (heavily collateralized vs less); currency (USD vs EUR vs other); geography (US vs international); credit conditions at commencement (different vintages have different rates). Some organizations use single weighted-average IBR across portfolio (typical for similar leases); others use lease-specific IBRs (typical for material differences). Documentation: comprehensive documentation of methodology, supporting analysis, and rate determinations. External auditors scrutinize IBR determinations. Documented methodology supports audit defense. Updates: IBR methodology updated periodically (typically annually) reflecting changes in credit markets, organization’s credit standing, and lease characteristics. Rate history maintained for modification accounting.
IBR determination is judgmental and requires documented methodology. Common approaches: organization’s existing borrowing rates approach: use the organization’s existing debt rates as starting point. Adjustments: term — if existing debt is short-term and lease is long-term, increase rate; if existing debt is long-term and lease is short-term, decrease rate. Security — if existing debt is unsecured, decrease rate to reflect collateralized lease basis. Specifics — adjustments for any differences from typical borrowing. Advantages: directly based on organization’s actual rates; clear documentation. Disadvantages: existing debt may have limited diversity; rates may be from different time periods. Market rates approach: derive rates from market data for similar borrowings. Sources: bond market data; syndicated loan market data; commercial real estate financing market; equipment financing market. Adjust for: organization-specific credit standing (using credit spread); lease-specific factors. Advantages: based on current market conditions; can address term and security characteristics. Disadvantages: requires market data access; adjustments for organization specifics. Treasury plus credit spread approach: risk-free rate (Treasury) plus credit spread reflecting organization credit. Components: risk-free rate from Treasury yield curve at appropriate term; credit spread from credit ratings (actual or implied), CDS spreads, or similar indicators. Often used for: organizations without substantial existing debt; consistent methodology across diverse leases; simpler approach than market-based for some organizations. Advantages: straightforward methodology; readily available components; consistent across leases. Disadvantages: simplified compared to actual lease economics; credit spread determination has judgment. Building blocks approach: systematically build IBR from components: risk-free rate (Treasury); credit spread; term adjustments; security adjustments; currency adjustments; geography adjustments. Comprehensive build-up. Advantages: systematic methodology; supports documentation. Disadvantages: more complex than simpler approaches. Combined approaches: some organizations use multiple approaches as validation. Building blocks approach with market rate cross-check. Documentation of multiple data points. Robust support for rate determinations. Common practical considerations: rate variation across leases — different leases warrant different IBRs based on characteristics. Single rate may be appropriate for similar leases (e.g., short-term office leases); lease-specific rates appropriate for material differences. Documentation — comprehensive documentation supports audit defense. Reference rates, adjustments, supporting analysis. Updates — IBR methodology updated periodically. Annual update common; more frequent for rapid market changes. Multi-currency — leases in different currencies use IBR in that currency. Multi-national organizations may have multiple IBRs by currency. Credit standing — organization’s credit standing affects IBR. Strong credit reduces rate; weak credit increases rate. External auditor perspectives: auditors review IBR methodology and application. Documented methodology with reasonable conclusions reduces audit findings. Material lease portfolios warrant comprehensive IBR documentation supporting audit defense. Some auditors may have specific preferences or approaches; coordination with auditor early can avoid issues. Practical experience: IBR determination is one of the more judgmental aspects of ASC 842. Material lease portfolios warrant comprehensive methodology with documented analysis. Manual approaches risk inconsistency; systematic infrastructure supports consistent application.
The risk-free rate practical expedient allows non-public business entities to use a risk-free rate (e.g., Treasury rate of similar term) instead of IBR for lease measurement. The framework under ASC 842-20-30-3 election: available to non-public business entities only. Election is by class of underlying asset (not lease-by-lease). Once elected for a class, applies to all leases of that class. The election simplifies discount rate determination by avoiding the complexity of IBR determination. Why available only for non-public business entities: public business entities have more sophisticated accounting capabilities and substantial investor base. Non-public business entities (private companies, etc.) may have more limited accounting resources. The practical expedient simplifies application for these entities. Risk-free rate selection: organization selects an appropriate risk-free rate. Common choices: US Treasury yield at term matching lease term. For 5-year lease, use 5-year Treasury rate. For 10-year lease, use 10-year Treasury rate. Specific date — use rate at lease commencement date (consistent with IBR approach). For commencement dates between coupon payments, use rate from yield curve. International leases may use risk-free rates in relevant currency (Bund for EUR, JGB for JPY, etc.). Election by asset class: the election is by class of underlying asset. Common classes: real estate; equipment; vehicles. Organization elects whether to use risk-free rate for each class. Election applies to all leases in that class. Mixed approach across classes is permitted. Practical implications of election: typically lower discount rate than IBR — risk-free rates are below organization’s borrowing rates. Lower rate produces higher present value of lease payments. Higher lease liability and ROU asset balances. Higher lease cost recognition (interest component for finance leases). The election trade-offs: simpler methodology (Treasury rate easier to determine than IBR); typically larger lease liability and ROU asset (lower rate produces larger PV); typically larger lease cost recognition. Organizations evaluate trade-offs in deciding whether to elect. Documentation: document the election decision, basis, and consistent application. Asset class definitions documented. Risk-free rate sources documented. Comparison with IBR (if considered): some organizations document both methodologies. Risk-free rate election typically produces larger balances but simpler methodology. IBR approach more complex but typically produces smaller balances. Decision factors: organizational sophistication (capabilities for IBR determination); audit considerations (auditor preferences); financial reporting impact (balance sheet sensitivity); operational considerations (simpler is faster). Different organizations weigh these factors differently. Long-term considerations: organizations becoming public business entities may need to transition from risk-free rate to IBR. Transition considerations: methodology change for new leases; consideration for existing leases (some interpretations require continued use of original rate; others suggest transition). Specific guidance and audit input warranted. Practical experience: many smaller private companies elect risk-free rate for simplicity. Larger private companies often use IBR despite complexity for more accurate measurement. Mixed approaches across asset classes possible. Documentation of election decisions, methodology, and application essential.
Discount rate selection materially affects lease liability and ROU asset measurement and ongoing accounting. The mechanics: lease liability initially measured as present value of lease payments using the discount rate. Higher rate produces smaller present value (smaller lease liability). Lower rate produces larger present value (larger lease liability). The relationship is inverse: rate ↑ = liability ↓; rate ↓ = liability ↑. ROU asset typically equals lease liability at commencement (with adjustments for prepayments, lease incentives, initial direct costs). So ROU asset also moves with discount rate. Higher rate = lower ROU asset; lower rate = higher ROU asset. Lease cost recognition (operating leases): straight-line over lease term. Total lease cost not affected by rate selection (sum of payments is the same). But pattern of recognition for finance leases differs. Lease cost recognition (finance leases): interest component (rate times lease liability) plus amortization of ROU asset (straight-line typical). Higher discount rate produces: higher interest component initially; faster decline of interest as liability decreases; same total cost but front-loaded pattern. Lower discount rate produces: lower interest component throughout; flatter cost pattern. Material impact on financial statements: a difference of 100 basis points in discount rate on a 10-year lease with $100k annual payments produces material changes. Example calculation: 10-year lease, $100k annual payments (paid at year-end). At 4% discount rate: PV = $811k. At 5% discount rate: PV = $772k. At 6% discount rate: PV = $736k. Differences of $39k between 4% and 5%, and $36k between 5% and 6%. Material impact for substantial portfolios. Sensitivity: organizations should understand rate sensitivity. For substantial lease portfolios, even modest rate variations produce material balance sheet differences. Sensitivity analysis supports impact assessment for rate updates. Reasonableness of rate: rates should be reasonable for the lease and organization. Too low rate (e.g., risk-free rate when IBR is appropriate) inflates lease liability and ROU asset. Too high rate suppresses them. Auditors scrutinize rate selection for reasonableness. Documented methodology supports reasonableness conclusion. Modification rate considerations: lease modifications use rate at modification date (not original rate). Rates can change substantially over time. Modification remeasurement at current rate can produce material adjustments. Higher modification rate than original produces lower remeasured liability; lower modification rate produces higher. Multi-rate considerations: portfolio may have multiple IBRs based on lease characteristics. Different leases use different rates. Weighted-average rate reported in disclosures reflects portfolio mix. Disclosure: ASC 842 requires disclosure of weighted-average discount rate. Provides users insight into rate environment for the portfolio. Different rates across leases reflected in weighted-average. Risk-free rate election: organizations electing risk-free rate (non-public business entities) typically have lower discount rates than IBR. Higher lease liabilities and ROU assets. Larger lease cost recognition. Audit considerations: external auditors scrutinize rate determinations including methodology, supporting analysis, and reasonableness. Documented methodology with consistent application reduces audit findings. Material lease portfolios warrant comprehensive documentation. Practical considerations: discount rate is one of the more material variables in lease accounting. Material lease portfolios warrant: documented methodology for IBR (or risk-free rate election); consistent application across leases; periodic updates reflecting changes; comprehensive documentation supporting audit defense. Manual approaches risk inconsistency; systematic infrastructure substantially supports consistent application.
LeaseCommand supports discount rate management through systematic infrastructure for application, documentation, and audit defense. IBR application: applies organization’s IBR (or risk-free rate, if elected) to lease liability and ROU asset calculations. Consistent application across portfolio per documented methodology. Different IBRs supported for different lease characteristics (term, currency, security). Documentation: documents IBR methodology, reference rates, adjustments, supporting analysis. Comprehensive audit trail. Different methodologies supported (organization’s borrowing rates, market rates, treasury plus credit spread, building blocks). Documentation by date, by methodology, by application. Supports audit defense and review. Rate history: tracks IBR history over time. New leases use rate at commencement. Modifications use rate at modification date. Historical rates maintained for audit and review. Rate changes documented with effective dates and supporting analysis. Multi-currency support: supports multiple IBRs for global portfolios. Different currencies (USD, EUR, GBP, JPY, etc.) with appropriate rates in each currency. Geographic adjustments for non-US locations. Practical for multi-national organizations. Sensitivity analysis: analyzes sensitivity of lease liability and ROU asset to rate changes. Supports impact assessment for rate updates and methodology changes. What-if scenarios for different rate assumptions. Supports financial planning. Modification rate application: lease modifications automatically use rate at modification date (not original rate). Remeasurement of lease liability and ROU asset at modification date with appropriate rate. Multiple modifications use respective rates at each modification date. Risk-free rate election: supports risk-free rate election for non-public business entities. Treasury rate application by asset class. Election documented with supporting analysis. Consistent application across elected classes. Reporting and disclosure: aggregate rate data supports financial statement disclosures. Weighted-average discount rate calculated across portfolio. Disclosure data appropriately compiled. Different rate methodologies tracked for disclosure preparation. ERP integration: integration with Oracle NetSuite, Sage Intacct, Restaurant365, and QuickBooks Online for accounting entry sync. Calculations using appropriate rates flow to GL appropriately. Modification entries with updated rates reflect properly. Audit support: comprehensive documentation supports audit defense. External auditors can review methodology, rate determinations, and applications. Documentation includes: methodology selection rationale; supporting analysis for rate determinations; consistent application evidence; periodic update support. Material lease portfolios benefit substantially from systematic infrastructure. Practical experience: discount rate determination and application is one of the more judgmental areas of ASC 842. Material lease portfolios warrant comprehensive infrastructure for: consistent methodology application; comprehensive documentation; rate history maintenance; modification accounting with appropriate rates; audit defense support. Manual approaches through spreadsheets risk inconsistency, calculation errors, and incomplete documentation. Purpose-built infrastructure substantially reduces these risks while supporting comprehensive audit defense. Organizations across portfolio sizes — from small portfolios with simple methodology to substantial multi-thousand-lease portfolios with complex multi-currency methodology — benefit from systematic rate infrastructure.
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Legal & Accounting Disclaimer
The information on this page is provided for general informational purposes only and does not constitute legal, accounting, tax, or financial reporting advice. ASC 842, IFRS 16, GASB 87, and related lease accounting standards are complex and require interpretation specific to your organization’s facts and circumstances. Always consult qualified accounting professionals, your external auditors, and legal counsel before making decisions about lease classification, discount rate selection, disclosure, or financial reporting. LeaseCommand is a software platform — not an accounting firm or law firm. All figures, examples, and interpretations referenced are illustrative only.
