{"data":{"id":"us/40-cfr-1090.1405","jurisdiction":"us","citation":"40 CFR 1090.1405","heading":"National fuels survey program.","body":"(a) Program participation. (1) A gasoline manufacturer that elects to account for oxygenate added downstream under § 1090.710 must participate in the national fuels survey program (NFSP) specified in paragraph (b) of this section.\n(2) A party required to participate in an E15 survey under § 1090.1420(a) must participate in the NFSP specified in paragraph (b) of this section or a survey program approved by EPA under § 1090.1420(b) or (c).\n(3) Other parties may elect to participate in the NFSP for purposes of establishing an affirmative defense against violations of requirements and provisions under this part as specified in § 1090.1720.\n(b) Program requirements. The NFSP must meet all the following requirements:\n(1) The survey program must be planned and conducted by an independent surveyor that meets the independence requirements in § 1090.55 and the requirements specified in § 1090.1410.\n(2) The survey program must be conducted by collecting samples representative of retail outlets in the United States as specified in § 1090.1415.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER U—AIR POLLUTION CONTROLS","PART 1090—REGULATION OF FUELS, FUEL ADDITIVES, AND REGULATED BLENDSTOCKS","Subpart O—Survey Provisions"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"6749f3b49a2c2c6ea9d443cab71db5303f940a938fc3cc3e31dc4fb790e0a8cb","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-1090.1400","next":"us/40-cfr-1090.1410"},"notice":"GroundRules: Original legal text. Not legal advice."}