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Part IV. Applicable Federal Interest Rates

SECTION 1. PURPOSE

Internal Revenue Bulletin 2005-21 · 2026-10-03 edition · updated 2026-10-04 · United States

This revenue procedure sets forth the administrative procedure under which a taxpayer described in § 3 of this revenue procedure may obtain automatic consent to change from the fair market value method to the alternative tax book value method of valuing assets for purposes of apportioning expenses pursuant to § 1.861–9T(g) of the

Temporary Income Tax Regulations. Accordingly, taxpayers that change from the fair market value method to the alternative tax book value method pursuant to this revenue procedure will be treated as expressly authorized by the Commissioner to change methods. This automatic consent procedure applies to changes in apportionment method requested for taxable years beginning on or after March 26, 2004, but before March 26, 2006, and for which a return has not previously been filed.

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▸Contents — Internal Revenue Bulletin 2005-21

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