- (a) The Postal Service shall file notice with the Commission describing all changes to external service performance measurement systems and service goals (including performance targets), 30 days prior to planned implementation. The Postal Service shall also file notice with the Commission describing all changes to reporting methodologies, including the use of proxies (other than reporting methodologies or the use of proxies associated with internal or hybrid service performance measurement systems as described by § 3055.4 of this part), 30 days prior to planned implementation. The Commission may initiate a proceeding at any time to consider such changes if it appears that the changes might have a material impact on the accuracy, reliability, or utility of the reported measurement, or if the changes might have a material impact on the characteristics of the underlying product.
- (b) No later than 7 days before planned implementation of any change to service standard delivery day ranges or origin/destination ZIP Code pairs that affect the number of days to delivery, the Postal Service shall file notice with the Commission describing the exact nature and scope of implementation. Each notice shall use plain language to list all locations affected by the change in service standards (at the level of granularity of the service standard), the categories of affected market dominant products, the current service standard, the planned service standard, and the date of the planned change. If the change in service standards is associated with a Change in the Nature of Postal Services docket pursuant to 39 U.S.C. 3661 and part 3020 of this chapter, then each notice shall be filed in the applicable Change in the Nature of Postal Services docket. Otherwise, each notice should be filed in the most recent Annual Compliance Report docket.
[91 FR 26923, May 13, 2026]