[Code of Federal Regulations] [Title 40, Volume 23] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR172.9] [Page 290] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 172_EXPERIMENTAL USE PERMITS--Table of Contents Subpart A_Federal Issuance of Experimental Use Permits Sec. 172.9 Renewals. Applications for renewal of experimental use permits and temporary tolerances, to provide for additional testing, shall be submitted prior to expiration of the permit. Requirements for renewals are the same as for applications under Sec. 172.4, except that information previously submitted may be incorporated by reference.