26 U.S.C. § 1021 : Internal Revenue Code — Income Taxes — Normal Taxes And Surtaxes — Gain Or Loss On Disposition Of Property — Basis Rules Of General Application — Sale Of Annuities Date: 7 Mar 2017 TEXT PDF In case of the sale of an annuity contract, the adjusted basis shall in no case be less than zero. (Aug. 16, 1954, ch. 736, 68A Stat. 302.)