Opinion of the Court
1975 (1975 Act), §204, 89 Stat. 466 (emphasis added).
Second, in 1983, Congress shifted the wage base for RRTA taxes from monthly “compensation” to annual “compensation.” See Railroad Retirement Solvency Act of 1983 (1983 Act), §225, 97 Stat. 424–425. Because the “monthly wage bases for railroad retirement taxes [were being] changed to annual amounts,” the House Report explained, the RRTA required “[s]everal technical and conforming amendments.” H. R. Rep. No. 98–30, pt. 2, p. 29 (1983). In a section of the 1983 Act titled “Technical Amendments,” Congress struck the subsection containing, among other provisions, the 1946 Act’s clarification of pay for time lost. 1983 Act, §225, 97 Stat. 424–425. In lieu of the deleted subsection, Congress inserted detailed instructions concerning the new annual wage base.
As the Court of Appeals and the dissent see it, the 1975 and 1983 deletions show that “compensation” no longer includes pay for time lost. 865 F. 3d, at 1119; see post, at 6–7. We are not so sure. The 1975 Act left unaltered the language at issue here, “remuneration… for services rendered as an employee.” That Act also left intact the 1946 Act’s description of pay for time lost. Continuing after the 1975 Act, then, such pay remained RRTA-taxable “compensation.” The 1983 Act, as billed by Congress, effected only “[t]echnical [a]mendments” relating to the change from monthly to annual computation of “compensation.” Concerning the 1975 and 1983 alterations, the IRS concluded that Congress revealed no “inten[tion] to exclude payments for time lost from compensation.” 59 Fed. Reg. 66188 (1994). We credit the IRS reading. It would be passing strange for Congress to restrict substantially what counts as “compensation” in a manner so oblique.
Moreover, the text of the RRTA continues to indicate that “compensation” encompasses pay for time lost. The RRTA excludes from “compensation” a limited subset of
