1969—Pub. L. 91–172 inserted reference to section 7463(b) for nonreviewability of Tax Court decisions in small claims cases.
Amendment by Pub. L. 91–172 effective one year after Dec. 30, 1969, see section 962(e) of Pub. L. 91–172, set out as an Effective Date note under section 7463 of this title.