26 U.S.C. § 7524
Not less often than annually, the Secretary shall send a written notice to each taxpayer who has a tax delinquent account of the amount of the tax delinquency as of the date of the notice.
(Added Pub. L. 104–168, title XII, § 1204(a), , 110 Stat. 1471.)
Pub. L. 104–168, title XII, § 1204(c), , 110 Stat. 1471, provided that:
“The amendments made by this section [enacting this section] shall apply to calendar years after 1996.”