Figure 1.1 By eru Feb 26, 1929 Revenue Act of 1929 - Section 302(j) Aug 30, 1935 Revenue Act of 1935 - Alternate Valuation Introduced Aug 16, 1954 Optional Valuation Renamed Alternate Valuation Jan 1, 1971 Alternate Valuation date reduced to 6 months after death Aug 4, 1972 Flanders v. U.S. Jul 25, 2006 Kohler v. Commissioner May 27, 2008 REG-112196-07 Proposed