Versions of See prior versions of a law on LawServer 2024 40 CFR 51.1016 – Continued applicability of the FIP and SIP requirements pertaining to interstate transport under CAA section 110(a)(2)(D)(i) and (ii) after revocation of the 1997 primary annual PM2.5 NAAQS Sorry, but we did not find any prior versions of this law on LawServer. Back