26 U.S.C. § 6324B
Special lien for additional estate tax attributable to farm, etc., valuation
In the case of any interest in qualified real property (within the meaning of section 2032A(b)), an amount equal to the adjusted tax difference attributable to such interest (within the meaning of section 2032A(c)(2)(B)) shall be a lien in favor of the United States on the property in which such interest exists.
The rule set forth in paragraphs (1), (3), and (4) of section 6324A(d) shall apply with respect to the lien imposed by this section as if it were a lien imposed by section 6324A.
For purposes of this section, the term “qualified real property” includes qualified replacement property (within the meaning of section 2032A(h)(3)(B)) and qualified exchange property (within the meaning of section 2032A(i)(3)).
To the extent provided in regulations prescribed by the Secretary, the furnishing of security may be substituted for the lien imposed by this section.
1981—Subsec. (c)(2). Pub. L. 97–34 defined “qualified real property” to include qualified exchange property (within the meaning of section 2032A(i)(3)).
1980—Subsec. (c). Pub. L. 96–222 designated existing provisions as par. (1), substituted “The rule” for “The rules”, and added par. (2).
1978—Subsec. (b). Pub. L. 95–600 substituted “qualified real property” for “qualified farm real property”.
Amendment by Pub. L. 97–34 applicable with respect to exchanges after
Amendment by Pub. L. 96–222 effective, except as otherwise provided, as if it had been included in the provisions of the Revenue Act of 1978, Pub. L. 95–600, to which such amendment relates, see section 201 of Pub. L. 96–222, set out as a note under section 32 of this title.
Amendment by Pub. L. 95–600 applicable to estates of decedents dying after