C.F.R. » Title 40 » CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY › SUBCHAPTER C—AIR PROGRAMS › PART 57—PRIMARY NONFERROUS SMELTER ORDERS › Subpart A—General

40 C.F.R. § 57.106

Expiration date

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Each NSO shall state its expiration date. No NSO issued under this regulation shall expire later than January 1, 1988.