(a) This section provides 2 percentage points of additional rate authority for any class of mail where the attributable cost for that class exceeded the revenue from that class as determined by the Commission. This additional rate authority is optional and may be used at the Postal Service's discretion.

(b) The Commission shall announce how much, if any, rate authority will be authorized under this subpart. Any rate authority allocated under this subpart:

(1) Shall be made available to the Postal Service as of the date of the Commission's announcement;

(2) Must be included in the calculation of the maximum rate adjustment authority change in rates in the first generally applicable rate adjustment filed after the Commission's announcement; and

(3) May be used to generate unused rate authority, if unused, within 12 months of the Commission's announcement.