Section 1 of the Railroad Unemployment Insurance Act, referred to in subsecs. (a) and (c), is classified to section 351 of Title 45, Railroads.

Section 8(a) of the Railroad Unemployment Insurance Act, referred to in subsec. (b), is classified to section 358(a) of Title 45.

1988—Pub. L. 100–647 amended section generally, substituting present provisions for former provisions relating to taxable period, which had provided, in subsec. (a), for a general rule and, in subsec. (b), for earlier termination if loans to rail unemployment fund repaid.

1986—Subsec. (a)(2), (3). Pub. L. 99–272, § 13301(d)(1), struck out “and before 1990, and” after “1986” in par. (2) and struck out par. (3) relating to the period beginning on Jan. 1, 1990, and ending on Sept. 30, 1990.

Subsec. (b). Pub. L. 99–272, § 13301(d)(2), substituted “The basic rate under section 3321(c)(1)(A) of the tax imposed by section 3321 shall not apply” for “The tax imposed by this chapter shall not apply” in introductory provision, and inserted “made before October 1, 1985,” in par. (1).

Amendment by Pub. L. 100–647 applicable to remuneration paid after Dec. 31, 1988, see section 7106(d) of Pub. L. 100–647, set out as a note under section 3321 of this title.

For purposes of this chapter, the term “rail wages” shall not include the amount of any refund required under section 421 of Pub. L. 100–360, 42 U.S.C. 1395b note, see section 10202 of Pub. L. 101–239, set out as a note under section 1395b of Title 42, The Public Health and Welfare.