Case detail
Cottage Savings Association v. Commissioner
499 U.S. 554 (1991)
Court
Supreme Court
Date
1991-06-17
Outcome
for-taxpayer
Holding
A loss is realized when exchanged properties are materially different, even if they are economically similar in broad market terms.
Facts
A savings association exchanged mortgage participation interests with another lender and claimed a loss deduction on the swap.
Reasoning
The Court held that realization occurred because the legal entitlements embodied in the exchanged interests were materially different.
Case metadata
Official opinion
Open official decisionRelated citations
Computed from the cross-reference graph. Links open the related entity on this site.
This entry cites
- StatuteIRC §61
Primary sources
- Official opinion PDFVerified 2026-05-01
Important disclaimer
This library is for general tax education only. Always verify filing obligations, due dates, and tax consequences against the cited primary source or with a qualified tax professional.