The U.S. Postal Service wants more comments from mailers on plans to revise its standards to encourage mail preparation that is compatible with improved USPS processing capabilities. The new standards, scheduled to accompany the proposed price adjustments expected in May, give customers more choices in terms of shape, sorting, packaging and containers that encourage efficient mail preparation. The announcement came Jan. 17 in the Federal Register. Comments are being accepted through Jan. 31. Our pricing proposal reflects changes in operations and the marketplace and will enhance efficiency, offer more choices and ensure that all types of mail cover their costs, the USPS said in the notice. We include incentives to create mail pieces compatible with our processing systems and to deposit flats and parcels closer to where they are delivered. For commercial mailers, the USPS proposed new sorting options to reduce the number of trays in a mailing and n