If, after an assessment resulting from the application of subsection (a), such assessment is abated and replaced by an assessment against the owner of the cash, such later assessment shall be treated for purposes of all laws relating to lien, levy and collection as relating back to the date of the original assessment.
26 U.S. Code § 6867. Presumptions where owner of large amount of cash is not identified
Amendment by Pub. L. 100–647 effective, except as otherwise provided, as if included in the provision of the Tax Reform Act of 1986, Pub. L. 99–514, to which such amendment relates, see section 1019(a) of Pub. L. 100–647, set out as a note under section 1 of this title.