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Rev. Proc. 2010-44, 2010-49 I.R.B. 811.

Internal Revenue Bulletin 2025-1 · 2026-10-03 edition · updated 2026-10-04 · United States

December 30, 2024 104 Bulletin No. 2025–1

280A Safe harbor method to determine the amount of deductible expenses attributable to certain business use of a residence

280B Certain structural modifications to a building not treated as a demolition

446 Film producer’s treatment of certain creative property costs

446 Bank’s treatment of uncollected interest

448 Nonaccrual-experience method

  • book safe harbor method

451 Safe harbor for capital cost reduction payments

451 Treatment of gift cards issued to customers in exchange for returned merchandise

451 Safe harbor for certain minors’ trusts established under the Indian Gaming Regulatory Act (U.S.C. §§ 2701-2721)

461 Safe harbor method for payroll tax liabilities for compensation

471 Estimating inventory shrinkage

471 Valuation of automobile dealer vehicle parts inventory

471 Valuation of remanufactured cores

471 Valuation of heavy equipment dealer parts inventory

471 Rolling-average method of accounting for inventories

475 Eligible positions

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▸Contents — Internal Revenue Bulletin 2025-1

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