Report recommends that the USPS divide its mail and package shipments into essential and commercial service categories. Many e-commerce shipments would fall into the latter category, which would not be protected by existing price caps and thus be subject to rate increases.

Senior administration officials say the Postal Service would be able to change package rates without an act of Congress. But such a move would likely require re-working negotiated service agreements with Amazon and other companies.

Actually, USPS rates are already mostly bad. If they hike them more as planned...

Trump Twitter - The Amazon Washington Post has gone crazy against me ever since they lost the Internet Tax Case in the U.S. Supreme Court two months ago. Next up is the U.S. Post Office which they use, at a fraction of real cost, as their “delivery boy” for a BIG percentage of their packages....

Well, all it will do is make huge impact on USPS and next move will be privatization and annulment of all social obligations for USPS workers.