The United States Postal Service has announced that it has filed a request with the Postal Regulatory Commission. This request is to add a new domestic shipping services contract to the Competitive Products List in the Mail Classification Schedule. The contract involves Priority Mail and USPS Ground Advantage services. More details can be found at the postal regulatory website under specific docket numbers.
Simple Explanation
The Postal Service wants to make a special deal that helps them send mail faster and cheaper and they've asked the special mail rule-makers if that's okay, but they didn't tell us all the details yet.