On Your Side: Operational changes mean U.S.P.S. mail may receive postmarks one to two days later than expected

Tax filers who mail returns close to the deadline face potential postmark delays due to operational changes at the United States Postal Service.

US Postal Service reports $1.25 billion quarterly loss as it faces cash crunch

The U.S. Postal Service on Thursday reported a net quarterly loss of $1.25 billion as it faces ongoing liquidity concerns and ...

USPS postmark change may affect tax filings, California board cautions

US Postal Service changes may delay postmark dates, risking late California tax returns, the California Franchise Tax Board ...