Unless the Administrator otherwise explicitly provides in a particular order, the time and date of the issuance of a regulation under section 21 U.S.C. 346a(e)(1)(C) , or any order under 21 U.S.C. 346a(f)(1)(C) or 21 U.S.C. 346a(g)(2)(C) , or any regulation that is the subject of such an order, shall, for purposes of 28 U.S.C. 2112 , be at 1 p.m. eastern time (standard or daylight, as appropriate) on the date that is for a FEDERAL REGISTER document, 2 weeks after the date when the document is published in the FEDERAL REGISTER, or for any other document, 2 weeks after it is signed.
40 C.F.R. §23.10