§ 51.372 State Implementation Plan submissions.
(a) SIP submittals. The SIP shall address each of the elements covered in this subpart, including, but not limited to:
(1) A schedule of implementation of the program including interim milestones leading to mandatory testing. The milestones shall include, at a minimum:
(i) Passage of enabling statutory or other legal authority;
(ii) Proposal of draft regulations and promulgation of final regulations;
(iii) Issuance of final specifications and procedures;
(iv) Issuance of final Request for Proposals (if applicable);
(v) Licensing or certifications of stations and inspectors;
(vi) The date mandatory testing will begin for each model year to be covered by the program;
(vii) The date full-stringency cutpoints will take effect;
(viii) All other relevant dates;
(2) An analysis of emission level targets for the program using the most current EPA mobile source emission model or an alternative approved by the Administrator showing that the program meets the performance standard described in § 51.351 or § 51.352 of this subpart, as applicable;
(3) A description of the geographic coverage of the program, including ZIP codes if the program is not county-wide;