26 U.S.C. § 2518
(b) Qualified disclaimer defined For purposes of subsection (a), the term “qualified disclaimer” means an irrevocable and unqualified refusal by a person to accept an interest in property but only if—
(2) such writing is received by the transferor of the interest, his legal representative, or the holder of the legal title to the property to which the interest relates not later than the date which is 9 months after the later of—
(4) as a result of such refusal, the interest passes without any direction on the part of the person making the disclaimer and passes either—
(c) Other rules For purposes of subsection (a)—
(3) Certain transfers treated as disclaimers A written transfer of the transferor’s entire interest in the property—
shall be treated as a qualified disclaimer.
(Added Pub. L. 94–455, title XX, § 2009(b)(1), , 90 Stat. 1893; amended Pub. L. 95–600, title VII, § 702(m)(1), , 92 Stat. 2935; Pub. L. 97–34, title IV, § 426(a), , 95 Stat. 318; Pub. L. 97–448, title I, § 104(e), , 96 Stat. 2384.)
1983—Subsec. (c)(3). Pub. L. 97–448 substituted “A written transfer” for “For purposes of subsection (a), a written transfer”.
1981—Subsec. (c)(3). Pub. L. 97–34 added par. (3).
1978—Subsec. (b)(4). Pub. L. 95–600 inserted provision relating to spouse of decedent.
Amendment by Pub. L. 97–448 effective, except as otherwise provided, as if it had been included in the provision of the Economic Recovery Tax Act of 1981, Pub. L. 97–34, to which such amendment relates, see section 109 of Pub. L. 97–448, set out as a note under section 1 of this title.
Pub. L. 97–34, title IV, § 426(b), , 95 Stat. 318, provided that:
“The amendment made by subsection (a) [amending this section] shall apply to transfers creating an interest in the person disclaiming made after
December 31, 1981.”
Pub. L. 95–600, title VII, § 702(m)(2), , 92 Stat. 2935, provided that:
“The amendment made by paragraph (1) [amending this section] shall apply to transfers creating an interest in the person disclaiming made after
December 31, 1976.”
Pub. L. 94–455, title XX, § 2009(e)(2), , 90 Stat. 1896, provided that:
“The amendments made by subsection (b) [enacting this section and
section 2046 of this title and amending sections 2041, 2055, 2056, and 2514 of this title] shall apply with respect to transfers creating an interest in the person disclaiming made after
December 31, 1976.”