# 97.21 Submission of NO Budget permit applications.
(a) *Duty to apply.* The NO<sub>X</sub> authorized account representative of any NO<sub>X</sub> Budget source required to have a federally enforceable permit shall submit to the permitting authority a complete NO<sub>X</sub> Budget permit application under § 97.22 by the applicable deadline in paragraph (b) of this section.
(b)(1) For NO<sub>X</sub> Budget sources required to have a title V operating permit:
(i) For any source, with one or more NO<sub>X</sub> Budget units under § 97.4(a) that commence operation before January 1, 2001, the NO<sub>X</sub> authorized account representative shall submit a complete NO<sub>X</sub> Budget permit application under § 97.22 covering such NO<sub>X</sub> Budget units to the permitting authority at least 18 months (or such lesser time provided by the permitting authority) before May 31, 2004.
(ii) For any source, with any NO<sub>X</sub> Budget unit under § 97.4(a) that commences operation on or after January 1, 2001, the NO<sub>X</sub> authorized account representative shall submit a complete NO<sub>X</sub> Budget permit application under § 97.22 covering such NO<sub>X</sub> Budget unit to the permitting authority at least 18 months (or such lesser time provided by the permitting authority) before the later of May 31, 2004 or the date on which the NO<sub>X</sub> Budget unit commences operation.
(2) For NO<sub>X</sub> Budget sources required to have a non-title V permit:
(i) For any source, with one or more NO<sub>X</sub> Budget units under § 97.4(a) that commence operation before January 1, 2001, the NO<sub>X</sub> authorized account representative shall submit a complete NO<sub>X</sub> Budget permit application under § 97.22 covering such NO<sub>X</sub> Budget units to the permitting authority at least 18 months (or such lesser time provided by the permitting authority) before May 31, 2004.
(ii) For any source, with any NO<sub>X</sub> Budget unit under § 97.4(a) that commences operation on or after January 1, 2001, the NO<sub>X</sub> authorized account representative shall submit a complete NO<sub>X</sub> Budget permit application under § 97.22 covering such NO<sub>X</sub> Budget unit to the permitting authority at least 18 months (or such lesser time provided by the permitting authority) before the later of May 31, 2004 or the date on which the NO<sub>X</sub> Budget unit commences operation.
(c) *Duty to reapply.* (1) For a NO<sub>X</sub> Budget source required to have a title V operating permit, the NO<sub>X</sub> authorized account representative shall submit a complete NO<sub>X</sub> Budget permit application under § 97.22 for the NO<sub>X</sub> Budget source covering the NO<sub>X</sub> Budget units at the source in accordance with the permitting authority's title V operating permits regulations addressing operating permit renewal.
(2) For a NO<sub>X</sub> Budget source required to have a non-title V permit, the NO<sub>X</sub> authorized account representative shall submit a complete NO<sub>X</sub> Budget permit application under § 97.22 for the NO<sub>X</sub> Budget source covering the NO<sub>X</sub> Budget units at the source in accordance with the permitting authority's non-title V permits regulations addressing permit renewal.
[65 FR 2727, Jan. 18, 2000, as amended at 67 FR 21529, Apr. 30, 2002]