alternate valuation date
alternate valuation date. Tax law. The date six months after a decedent’s death. • Generally, the estate can elect to appraise the decedent’s property either as of the date of the decedent’s death or as of the alternate valuation date. See BASIS. [Cases: Internal Revenue 4184.20; Taxation 895(4). C.J.S. Taxation §§ 1902–1903.]