01102oam 2200349 450 991070629610332120181127143720.0(CKB)5470000002455472(OCoLC)1076361711(EXLCZ)99547000000245547220181127d2017 ua 0engur|||||||||||rdacontentrdamediardacarrierDelayed mail validation audit report /Office of the Inspector General, United States Postal ServiceArlington, VA :Office of the Inspector General, United States Postal Service,2017.1 online resource (21 pages) color illustrations"August 10, 2017.""Report number NO-AR-17-011."Includes bibliographical references.Delayed mail validation Mail sortingUnited StatesMail sortingGPOGPOGPOBOOK9910706296103321Delayed mail validation3520765UNINA