USPS Regulator Approves Price Spike But Warns Mail Slowdowns Could Have Worse-Than-Expected Impact "The Postal Regulatory Commission on Tuesday did not flat out reject Postmaster General Louis DeJoy’s plan to slow down delivery windows for some mail, but suggested the proposal was not fully thought out and its success was far from guaranteed. On Monday, it signed off on the Postal Service’s new pricing structure set to go into effect later this year."