26 U.S.C. § 7455
The mailing by certified mail or registered mail of any pleading, decision, order, notice, or process in respect of proceedings before the Tax Court shall be held sufficient service of such pleading, decision, order, notice, or process.
(Aug. 16, 1954, ch. 736, 68A Stat. 884; Pub. L. 85–866, title I, § 89(b), , 72 Stat. 1665.)
1958—Pub. L. 85–866 inserted “certified mail or” before “registered mail”.
Amendment by Pub. L. 85–866 applicable only if mailing occurs after , see section 89(d) of Pub. L. 85–866, set out as a note under section 7502 of this title.