# 96.21 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 § 96.22 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 § 96.4 that commence operation before January 1, 2000, the NO<sub>X</sub> authorized account representative shall submit a complete NO<sub>X</sub> Budget permit application under § 96.22 covering such NO<sub>X</sub> Budget units to the permitting authority at least 18 months (or such lesser time provided under the permitting authority's title V operating permits regulations for final action on a permit application) before May 1, 2003.
(ii) For any source, with any NO<sub>X</sub> Budget unit under § 96.4 that commences operation on or after January 1, 2000, the NO<sub>X</sub> authorized account representative shall submit a complete NO<sub>X</sub> Budget permit application under § 96.22 covering such NO<sub>X</sub> Budget unit to the permitting authority at least 18 months (or such lesser time provided under the permitting authority's title V operating permits regulations for final action on a permit application) before the later of May 1, 2003 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 § 96.4 that commence operation before January 1, 2000, the NO<sub>X</sub> authorized account representative shall submit a complete NO<sub>X</sub> Budget permit application under § 96.22 covering such NO<sub>X</sub> Budget units to the permitting authority at least 18 months (or such lesser time provided under the permitting authority's non-title V permits regulations for final action on a permit application) before May 1, 2003.
(ii) For any source, with any NO<sub>X</sub> Budget unit under § 96.4 that commences operation on or after January 1, 2000, the NO<sub>X</sub> authorized account representative shall submit a complete NO<sub>X</sub> Budget permit application under § 96.22 covering such NO<sub>X</sub> Budget unit to the permitting authority at least 18 months (or such lesser time provided under the permitting authority's non-title V permits regulations for final action on a permit application) before the later of May 1, 2003 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 § 96.22 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 § 96.22 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.