(a) Class I units. If you plan to achieve compliance more than 1 year following the effective date of this subpart and a permit modification is not required, or more than 1 year following the date of issuance of a revised construction or operation permit if a permit modification is required, you must meet five increments of progress:
(1) Submit a final control plan.
(2) Submit a notification of retrofit contract award.
(3) Initiate onsite construction.
(4) Complete onsite construction.
(5) Achieve final compliance.
(b) Class II units. If you plan to achieve compliance more than 1 year following the effective date of this subpart and a permit modification is not required, or more than 1 year following the date of issuance of a revised construction or operation permit if a permit modification is required, you must meet two increments of progress:
(1) Submit a final control plan.
(2) Achieve final compliance.