(a) If any of the circumstances described in paragraphs (b) through (d) of this section occur, the Postal Service shall not be eligible for future retirement obligation rate authority under this subpart, and the Commission may commence additional proceedings as appropriate.

(b) If, subsequent to March 1, 2021, and prior to the end of the phase-in period, the Postal Service fails to timely file the notice required under § 3030.181(b);

(c) In any fiscal year in which retirement obligation rate authority was determined to be available under this subpart, the Postal Service fails to timely file under § 3030.122 for a rate increase including the full amount of retirement obligation rate authority authorized under this subpart during that fiscal year, to take effect prior to the end of that fiscal year; or

(d) In any fiscal year including or subsequent to the first fiscal year in which rate authority under this subpart was used to adjust market dominant rates, the Postal Service's total payments towards the supplemental and unfunded liabilities identified in § 3030.182 are not equal to or greater than the minimum remittance required for that fiscal year under § 3030.184(a).