{"data":{"id":"us/40-cfr-97.53","jurisdiction":"us","citation":"40 CFR 97.53","heading":"Recordation of NOX allowance allocations.","body":"(a) The Administrator will record the NOX allowances for 2004 for a NOX Budget unit allocated under subpart E of this part in the unit's compliance account, except for NOX allowances under § 97.4(b)(4)(ii) or § 97.5(c)(2), which will be recorded in the general account specified by the owners and operators of the unit. The Administrator will record NOX allowances for 2004 for a NOX Budget opt-in unit in the unit's compliance account as allocated under § 97.88(a).\n(b) By May 1, 2003, the Administrator will record the NOX allowances for 2005 for a NOX Budget unit allocated under subpart E of this part in the unit's compliance account, except for NOX allowances under § 97.4(b)(4)(ii) or § 97.5(c)(2), which will be recorded in the general account specified by the owners and operators of the unit. The Administrator will record NOX allowances for 2005 for a NOX Budget opt-in unit in the unit's compliance account as allocated under § 97.88(a).\n(c) By May 1, 2003, the Administrator will record the NOX allowances for 2006 for a NOX Budget unit allocated under subpart E of this part in the unit's compliance account, except for NOX allowances under § 97.4(b)(4)(ii) or § 97.5(c)(2), which will be recorded in the general account specified by the owners and operators of the unit. The Administrator will record NOX allowances for 2006 for a NOX Budget opt-in unit in the unit's compliance account as allocated under § 97.88(a).\n(d) By May 1, 2004, the Administrator will record the NOX allowances for 2007 for a NOX Budget unit allocated under subpart E of this part in the unit's compliance account, except for NOX allowances under § 97.4(b)(4)(ii) or § 97.5(c)(2), which will be recorded in the general account specified by the owners and operators of the unit. The Administrator will record NOX allowances for 2007 for a NOX Budget opt-in unit in the unit's compliance account as allocated under § 97.88(a).\n(e) Each year starting with 2005, after the Administrator has made all deductions from a NOX Budget unit's compliance account and the overdraft account pursuant to § 97.54 (except deductions pursuant to § 97.54(d)(2)), the Administrator will record:\n(1) NOX allowances, in the compliance account, as allocated to the unit under subpart E of this part for the third year after the year of the control period for which such deductions were or could have been made;\n(2) NOX allowances, in the general account specified by the owners and operators of the unit, as allocated under § 97.4(b)(4)(ii) or § 97.5(c)(2) for the third year after the year of the control period for which such deductions are or could have been made; and\n(3) NOX allowances, in the compliance account, as allocated to the unit under § 97.88(a).\n(f) Serial numbers for allocated NOX allowances. When allocating NOX allowances to a NOX Budget unit and recording them in an account, the Administrator will assign each NOX allowance a unique identification number that will include digits identifying the year for which the NOX allowance is allocated.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 97—FEDERAL NOX BUDGET TRADING PROGRAM, CAIR NOX AND SO2 TRADING PROGRAMS, CSAPR NOX AND SO2 TRADING PROGRAMS, AND TEXAS SO2 TRADING PROGRAM","Subpart F—NOX Allowance Tracking System"],"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":"67db7e4f4af126ec4b6e363b6dda64dd54b09392156729b682d31dbedda77d1b","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-97.52","next":"us/40-cfr-97.54"},"notice":"GroundRules: Original legal text. Not legal advice."}