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Introduction

SECTION 1. PURPOSE

Internal Revenue Bulletin 2006-45 · 2026-10-03 edition · updated 2026-10-04 · United States

This revenue procedure provides the exclusive procedures for a corporation (as defined in section 5.01 of this revenue procedure) within its scope to obtain automatic approval to change its annual accounting period under § 442 of the Internal Revenue Code and § 1.442–1(b) of the Income Tax Regulations. This revenue procedure clarifies, modifies, amplifies, and supersedes Rev. Proc. 2002–37, 2002–1 C.B. 1030. A corporation complying with all the applicable provisions of this revenue procedure will be deemed to have established a business purpose and obtained the approval of the Commissioner of Internal Revenue to change its annual accounting period under § 442 and the regulations thereunder.

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▸Contents — Internal Revenue Bulletin 2006-45

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