U.S. Postal Service

The Office of Inspector General is tasked with ensuring efficiency, accountability, and integrity in the U.S. Postal Service. We also have the distinct mission of helping to maintain confidence in the mail and postal system, as well as to improve the Postal Service's bottom line. We use audits and...

Our objective was to evaluate the throughput and productivity performance of the U.S. Postal Service’s 33 deployed Small Package Sorting System (SPSS) machines. We found that on average nationally, the SPSS machine throughput performance goal was exceeded by about five percent from January 1, 2016...

Our objective was to determine whether travel and representation expense reimbursements requested by U.S. Postal Service officers during fiscal year 2017 were properly supported and compliant with Postal Service policies and procedures.

Our objective was to determine whether travel and miscellaneous expenses of the U.S. Postal Service Board of Governors, including external professional fees, were properly supported, reasonable, and in compliance with U.S. Postal Service and Board of Governors’ policies and procedures.

In our opinion, the closing package financial statements present fairly, in all material respects, the financial position of the Postal Service as of September 30, 2017, and its net costs and changes in net position for the year then ended in accordance with U.S. generally accepted accounting...

The objective of this audit was to determine whether internal controls were in place and effective over the reconciliation of Voyager card transactions for detecting and disputing potentially fraudulent activity at the Loch Raven Branch in Towson, MD.

The OIG used data analytics to identify locations with lost or stolen stamp stock shipments. We identified expenses related to lost or stolen stamp stock shipments for the San Juan Stamp Office (SJSO); Fernandez Juncos Station; and Amelia, Bayamon, and Condado Contract Postal Units (CPU) between May...

Our objective was to determine whether the U.S. Postal Service made purchase card transactions that were potentially illegal, improper, or erroneous. We performed this audit in conjunction with a government-wide audit initiated by the Council of the Inspectors General on Integrity and Efficiency...

The OIG used data analytics to identify offices with a surge of potentially fraudulent Voyager credit card activity. We identified 128 potentially fraudulent fuel transactions totaling $7,199, made primarily in Florida with a Voyager card assigned to the Southeast (SE) Austin Station, between...

The Postal Service’s scanned package volume increased from 3.5 billion in fiscal year (FY) 2015 to 4.3 billion in FY 2016 – an increase of 22 percent. From July 1 through December 31, 2016, the Postal Service scanned over 2 billion packages sent to over 136 million delivery locations on over 227,092...