# 52.484 Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?
(a)(1) The owner and operator of each source located within the District of Columbia and for which requirements are set forth under the Federal CAIR NO<sub>X</sub> Annual Trading Program in subparts AA through II of part 97 of this chapter must comply with such applicable requirements. The obligation to comply with these requirements in part 97 of this chapter will be eliminated by the promulgation of an approval by the Administrator of a revision to the District of Columbia State Implementation Plan (SIP) as meeting the requirements of CAIR for PM<sub>2.5</sub> relating to NO<sub>X</sub> under § 51.123 of this chapter, except to the extent the Administrator's approval is partial or conditional or unless such approval is under § 51.123(p) of this chapter.
(2) Notwithstanding any provisions of paragraph (a)(1) of this section, if, at the time of such approval of the District of Columbia's SIP, the Administrator has already allocated CAIR NO<sub>X</sub> allowances to sources in the District of Columbia for any years, the provisions of part 97 of this chapter authorizing the Administrator to complete the allocation of CAIR NO<sub>X</sub> allowances for those years shall continue to apply, unless the Administrator approves a SIP provision that provides for the allocation of the remaining CAIR NO<sub>X</sub> allowances for those years.
(b)(1) The owner and operator of each NO<sub>X</sub> source located within the District of Columbia and for which requirements are set forth under the Federal CAIR NO<sub>X</sub> Ozone Season Trading Program in subparts AAAA through IIII of part 97 of this chapter must comply with such applicable requirements. The obligation to comply with these requirements in part 97 of this chapter will be eliminated by the promulgation of an approval by the Administrator of a revision to the District of Columbia State Implementation Plan (SIP) as meeting the requirements of CAIR for ozone relating to NO<sub>X</sub> under § 51.123 of this chapter, except to the extent the Administrator's approval is partial or conditional or unless such approval is under § 51.123(ee) of this chapter.
(2) Notwithstanding any provisions of paragraph (b)(1) of this section, if, at the time of such approval of the District of Columbia's SIP, the Administrator has already allocated CAIR NO<sub>X</sub> Ozone Season allowances to sources in the District of Columbia for any years, the provisions of part 97 of this chapter authorizing the Administrator to complete the allocation of CAIR NO<sub>X</sub> Ozone Season allowances for those years shall continue to apply, unless the Administrator approves a SIP provision that provides for the allocation of the remaining CAIR NO<sub>X</sub> Ozone Season allowances for those years.
(c) Notwithstanding any provisions of paragraphs (a) and (b) of this section and subparts AA through II and AAAA through IIII of part 97 of this chapter to the contrary:
(1) With regard to any control period that begins after December 31, 2014,
(i) The provisions in paragraphs (a) and (b) of this section relating to NO<sub>X</sub> annual or ozone season emissions shall not be applicable; and
(ii) The Administrator will not carry out any of the functions set forth for the Administrator in subparts AA through II and AAAA through IIII of part 97 of this chapter; and
(2) The Administrator will not deduct for excess emissions any CAIR NO<sub>X</sub> allowances or CAIR NO<sub>X</sub> Ozone Season allowances allocated for 2015 or any year thereafter;
(3) By March 3, 2015, the Administrator will remove from the CAIR NO<sub>X</sub> Allowance Tracking System accounts all CAIR NO<sub>X</sub> allowances allocated for a control period in 2015 and any subsequent year, and, thereafter, no holding or surrender of CAIR NO<sub>X</sub> allowances will be required with regard to emissions or excess emissions for such control periods; and
(4) By March 3, 2015, the Administrator will remove from the CAIR NO<sub>X</sub> Ozone Season Allowance Tracking System accounts all CAIR NO<sub>X</sub> Ozone Season allowances allocated for a control period in 2015 and any subsequent year, and, thereafter, no holding or surrender of CAIR NO<sub>X</sub> Ozone Season allowances will be required with regard to emissions or excess emissions for such control periods.
[72 FR 62345, Nov. 2, 2007, as amended at 76 FR 48362, Aug. 8, 2011; 79 FR 71671, Dec. 3, 2014]