DMM TOC > 300 Commercial Flats > 370 Media Mail|
All presorted mailings must be presented for verification and acceptance at the Post Office where the permit or license is held. All such mailings must be deposited at locations and times specified by the postmaster or designee at the office that verifies and accepts the mailing. Plant-loaded mailings must be presented as specified by the applicable standards and the plant load agreement. Metered mail may be deposited at other than the licensing Post Office only as permitted under 705.18.0.