Handbooks Handbook PO-603 Revision: Delivery Point Sequencing (DPS) Flats Effective July 9, 2015, the Postal Service™ is revising section 541.4 of Handbook PO-603, Rural Carrier Duties and Responsibilities, to include additional compensation for DPS flats and a formal process for conducting quality reviews. * * * * * Handbook PO-603, Rural Carrier Duties and Responsibilities […]