26 USC § 7524
Annual notice of tax delinquency
October 30, 2020
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.
Effective Date
Pub. L. 104–168, title XII, §1204(c), July 30, 1996, 110 Stat. 1471, provided that: "The amendments made by this section [enacting this section] shall apply to calendar years after 1996."