Tax Legal Services ยท Primary-source case analysis

Cottage Savings: Exchanging Materially Different Mortgage Interests Can Realize a Tax Loss

Decision: Supreme Court of the United States, No. 89-1965, decided April 17, 1991. Document: Published United States Reports opinion.

Cottage Savings Association v. Commissioner addressed realization under section 1001 when institutions exchanged participation interests in different mortgage pools.

Realization requires materially different properties

An exchange is a realization event when the legal entitlements received differ materially in kind or extent from those surrendered.

Different underlying obligors mattered

The exchanged mortgage interests were supported by different homes and borrowers, creating distinct legal rights despite similar economic profiles.

Regulatory motive did not defeat recognition

The transaction's accounting objective did not prevent application of the federal realization rule.

The claimed losses were recognized

The Court affirmed the judgment allowing recognition, subject to the basis and valuation record governing the amounts.

Key takeaways

Discuss the procedural record

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