[Code of Federal Regulations] [Title 40, Volume 13] [Revised as of January 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR71.23] [Page 290] TITLE 40 - PROTECTION OF ENVIRONMENT CHAPTER I - ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 71 - FEDERAL OPERATING PERMIT PROGRAMS--Table of Contents Subpart B - Permits for Early Reductions Sources Sec. 71.23 Applicability. (a) Sources covered. The provisions of this subpart apply to an owner or operator of an existing source who is seeking a compliance extension under section 112(i)(5) of the Act and who, pursuant to part 63, subpart D, of this chapter, is required to file a permit application for the extension prior to the date a comprehensive title V permit program is approved for the State in which the existing source is located. (b) Covered emissions. All hazardous air pollutant emissions from the early reductions source shall be included in permit applications and part 71 permits issued under this subpart.