Regulations last checked for updates: Jan 12, 2026

Title 26 - Internal Revenue last revised: Dec 16, 2026

INTRODUCTION
ESTATES OF CITIZENS OR RESIDENTS
TAX IMPOSED
CREDITS AGAINST TAX
GROSS ESTATE
ACTUARIAL TABLES APPLICABLE BEFORE JUNE 1, 2023
TAXABLE ESTATE
ESTATES OF NONRESIDENTS NOT CITIZENS
MISCELLANEOUS
PROCEDURE AND ADMINISTRATION
GENERAL ACTUARIAL VALUATIONS
authority: 26 U.S.C. 7805.
source: T.D. 6296, 23 FR 4529, June 24, 1958; 25 FR 14021, Dec. 31, 1960, unless otherwise noted.