Section 52.789 - 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 and each unit located in the State of Indiana and for which requirements are set forth under the CSAPR NOX Annual Trading Program in subpart AAAAA of part 97 of this chapter must comply with such requirements. The obligation to comply with such requirements will be eliminated by the promulgation of an approval by the Administrator of a revision to Indiana's State Implementation Plan (SIP) as correcting the SIP's deficiency that is the basis for the CSAPR Federal Implementation Plan under § 52.38(a) , except to the extent the Administrator's approval is partial or conditional.(2) Notwithstanding the provisions of paragraph (a)(1) of this section, if, at the time of the approval of Indiana's SIP revision described in paragraph (a)(1) of this section, the Administrator has already started recording any allocations of CSAPR NOX Annual allowances under subpart AAAAA of part 97 of this chapter to units in the State for a control period in any year, the provisions of subpart AAAAA of part 97 of this chapter authorizing the Administrator to complete the allocation and recordation of CSAPR NOX Annual allowances to units in the State for each such control period shall continue to apply, unless provided otherwise by such approval of the State's SIP revision.(b)(1) The owner and operator of each source and each unit located in the State of Indiana and for which requirements are set forth under the CSAPR NOX Ozone Season Group 1 Trading Program in subpart BBBBB of part 97 of this chapter must comply with such requirements with regard to emissions occurring in 2015 and 2016.(2) The owner and operator of each source and each unit located in the State of Indiana and for which requirements are set forth under the CSAPR NOX Ozone Season Group 2 Trading Program in subpart EEEEE of part 97 of this chapter must comply with such requirements with regard to emissions occurring in 2017 through 2020. The obligation to comply with such requirements will be eliminated by the promulgation of an approval by the Administrator of a revision to Indiana's State Implementation Plan (SIP) as correcting the SIP's deficiency that is the basis for the CSAPR Federal Implementation Plan (FIP) under § 52.38(b)(1) and (b)(2)(ii) , except to the extent the Administrator's approval is partial or conditional, provided that because the CSAPR FIP was promulgated as a partial rather than full remedy for an obligation of the State to address interstate air pollution, the SIP revision likewise will constitute a partial rather than full remedy for the State's obligation unless provided otherwise in the Administrator's approval of the SIP revision.(3) The owner and operator of each source and each unit located in the State of Indiana and for which requirements are set forth under the CSAPR NOX Ozone Season Group 3 Trading Program in subpart GGGGG of part 97 of this chapter must comply with such requirements with regard to emissions occurring in 2021 and each subsequent year. The obligation to comply with such requirements will be eliminated by the promulgation of an approval by the Administrator of a revision to Indiana's State Implementation Plan (SIP) as correcting the SIP's deficiency that is the basis for the CSAPR Federal Implementation Plan (FIP) under § 52.38(b)(1) and (b)(2)(iii) , except to the extent the Administrator's approval is partial or conditional.(4) Notwithstanding the provisions of paragraphs (b)(2) and (3) of this section, if, at the time of the approval of Indiana's SIP revision described in paragraph (b)(2) or (3) of this section, the Administrator has already started recording any allocations of CSAPR NOX Ozone Season Group 2 allowances or CSAPR NOX Ozone Season Group 3 allowances under subpart EEEEE or GGGGG, respectively, of part 97 of this chapter to units in the State for a control period in any year, the provisions of such subpart authorizing the Administrator to complete the allocation and recordation of such allowances to units in the State for each such control period shall continue to apply, unless provided otherwise by such approval of the State's SIP revision.(5) Notwithstanding the provisions of paragraph (b)(2) of this section, after 2020 the provisions of § 97.826(c) of this chapter (concerning the transfer of CSAPR NOX Ozone Season Group 2 allowances between certain accounts under common control), the provisions of § 97.826(d) of this chapter (concerning the conversion of amounts of unused CSAPR NOX Ozone Season Group 2 allowances allocated for control periods before 2021 to different amounts of CSAPR NOX Ozone Season Group 3 allowances), and the provisions of § 97.811(d) of this chapter (concerning the recall of CSAPR NOX Ozone Season Group 2 allowances equivalent in quantity and usability to all such allowances allocated to units in the State for control periods after 2020) shall continue to apply.(c) The owner and operator of each source located in the State of Indiana and for which requirements are set forth in § 52.40 and § 52.41 , § 52.42 , § 52.43 , § 52.44 , § 52.45 , or § 52.46 must comply with such requirements with regard to emissions occurring in 2026 and each subsequent year. 76 FR 48364 , Aug. 8, 2011, as amended at 81 FR 74586 and 74594, Oct. 26, 2016; 83 FR 65924 , Dec. 21, 2018; 86 FR 23174 , Apr. 30, 2021; 88 FR 36890 , June 5, 2023 As amended at 81 FR 74586 and 74594, 10/26/2016; 83 FR 65924 , 12/21/2018; 86 FR 23174 , 6/29/2021; 88 FR 36890 , 8/4/2023