ASC 948
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ASC 948 – Financial Services–Mortgage Banking
Governs mortgage loans held for sale, interest rate lock commitments, and mortgage servicing rights for mortgage banking entities.
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Conceptual Framework Linkage
A pipeline business with genuine derivative exposure before a loan even closes
Mortgage banking involves a distinctive PIPELINE of activity: a borrower LOCKS an interest rate before the loan even closes, the lender then originates and typically SELLS the loan into the secondary market, often while retaining SERVICING rights. ASC 948 addresses the measurement of loans HELD FOR SALE, and – notably – treats the interest RATE LOCK COMMITMENT itself as a DERIVATIVE, since the lender is genuinely exposed to interest rate risk from the moment of the lock, well before the loan is even funded.
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Scope
Entities engaged in mortgage loan origination and sale
ASC 948 applies to entities engaged in MORTGAGE BANKING activities – originating residential (or commercial) mortgage loans with the intent to SELL them, rather than hold them for long-term investment.
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Mortgage Loans Held for Sale – Measurement
Lower of cost or fair value, or the fair value option
Mortgage loans HELD FOR SALE are measured at the LOWER OF COST OR FAIR VALUE (LOCOM), UNLESS the entity elects the FAIR VALUE OPTION (under ASC 825, see the companion poster) for the loans – in which case they are measured entirely at FAIR VALUE, with changes recognised directly in earnings. Many mortgage bankers elect the fair value option specifically to achieve a natural ECONOMIC OFFSET against the fair-value-measured IRLCs and forward sale commitments associated with the same loans (Sections 4-5).
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Interest Rate Lock Commitments (IRLCs) – Derivative Treatment
A derivative from the moment the rate is locked
An INTEREST RATE LOCK COMMITMENT (IRLC) – the lender's commitment to originate a mortgage loan at a SPECIFIED interest rate, made to a prospective borrower before the loan actually closes – meets the DEFINITION of a derivative under ASC 815 (an underlying interest rate, no/minimal initial investment, net settlement provisions) and is recognised as a DERIVATIVE ASSET or LIABILITY, measured at FAIR VALUE, with changes recognised in EARNINGS from the DATE OF THE LOCK – well BEFORE the loan itself is even funded.
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Forward Loan Sale Commitments
Best-efforts vs mandatory delivery – a meaningful distinction
A "BEST EFFORTS" forward sale commitment (the lender agrees to sell a loan ONLY IF it actually closes) is generally NOT considered a derivative, since it lacks the requisite net settlement characteristics and the lender bears no obligation if the underlying loan fails to close. A "MANDATORY DELIVERY" commitment (the lender is OBLIGATED to deliver loans regardless, potentially requiring PAIR-OFF fees if it cannot) generally DOES meet the derivative definition and is measured at FAIR VALUE – a meaningful DISTINCTION in commitment TYPE driving genuinely different accounting outcomes.
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Mortgage Servicing Rights – Cross-Reference to ASC 860
Recognised under the general transfers and servicing framework
Where a mortgage banker SELLS loans but RETAINS the right to service them, a MORTGAGE SERVICING RIGHT (MSR) asset (or liability) is recognised under the GENERAL servicing asset/liability framework in ASC 860 – measured initially at fair value, with a subsequent measurement method (fair value or amortisation) elected by class, exactly as described in the companion ASC 860 poster.
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Worked Example – IRLC Fair Value Measurement
Recognising derivative exposure at the moment of the lock
Example: A rate lock ahead of loan closing
A lender locks a $400,000 mortgage rate for a borrower on March 1, with the loan expected to close on April 15. Between March 1 and period-end (March 31), market mortgage rates decline, making the locked rate MORE valuable relative to current market pricing – an estimated $6,000 fair value gain on the IRLC.
The lender recognises a $6,000 derivative asset (the IRLC) with a corresponding $6,000 gain in earnings at March 31 – reflecting the lender's genuine economic exposure to interest rate movements from the DATE OF THE LOCK, even though the loan itself hasn't closed or funded yet.
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Worked Example – Lower of Cost or Fair Value for Held-for-Sale Loans
Writing down loans where fair value has fallen below cost
Example: A pool of originated loans awaiting sale
A mortgage bank originates $50,000,000 of loans held for sale (not electing the fair value option), with current market fair value of $49,200,000 due to a rise in market interest rates since origination.
Since fair value ($49,200,000) is BELOW cost ($50,000,000) and the fair value option was NOT elected, the loans are written down to the LOWER value – recognising an $800,000 loss ($50,000,000 − $49,200,000) – reflecting LOCOM's inherently conservative, one-directional write-down approach.
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Disclosure Requirements
What ASC 948 requires
Measurement basis elected for loans held for sale (LOCOM or fair value option)Nature and fair value of IRLCs and forward sale commitments outstandingMortgage servicing rights balances and the subsequent measurement method elected
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Critical Judgments & Estimates
Where judgement matters most
SIGNIFICANT JUDGEMENTS
Whether a forward sale commitment is best-efforts or mandatory delivery, driving derivative classification
SIGNIFICANT ESTIMATES
Fair value of IRLCs, incorporating pull-through (loan closing probability) assumptionsFair value of mortgage servicing rights, sensitive to prepayment speed assumptions
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No Dedicated IFRS Mortgage Banking Standard – Discussion
General IFRS 9 principles achieve broadly similar outcomes
IFRS has NO dedicated mortgage banking industry standard. A mortgage lender reporting under IFRS would apply GENERAL IFRS 9 principles – classifying loans held for sale based on the business model test (likely FVTPL if held for sale rather than "hold to collect"), and evaluating rate lock commitments and forward sale commitments under IFRS 9's general derivative definition, which is SUBSTANTIALLY similar to ASC 815's – arriving at BROADLY similar practical outcomes to ASC 948's specific mortgage banking guidance, without a dedicated industry standard on either side.
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Statement Mapping
Where every ASC 948 event lands
EventStatement(s) affectedNotes
IRLC fair value changeBS ISRecognised from the date of the rate lock
Held-for-sale loans (LOCOM)BS ISWritten down when fair value falls below cost
Mortgage servicing rightsBS ISRecognised at fair value, per ASC 860
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Related Topics
Cross-reference map
TopicConnection
ASC 815Supplies the general derivative definition and measurement framework applied to IRLCs and mandatory forward sale commitments
ASC 860Supplies the general servicing asset/liability recognition and measurement framework for mortgage servicing rights
ASC 825Supplies the fair value option that many mortgage bankers elect for loans held for sale
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Quick-Reference Glossary
Interest rate lock commitment (IRLC)
A lender's commitment to originate a mortgage loan at a specified rate, treated as a derivative from the date of the lock.
Mandatory delivery commitment
A forward loan sale commitment obligating delivery regardless of whether underlying loans close, generally meeting the derivative definition.
Best efforts commitment
A forward loan sale commitment to sell a loan only if it closes, generally not meeting the derivative definition.
Financial statement key
BS Balance sheet
IS Income statement
SE Statement of changes in equity
OCI Other comprehensive income
SCF Statement of cash flows