It is unfortunate that the OP did not specify anything further. How stale? 1 day, 1 week, 1 month?
Comments
GetAGrip
January 16, 2023 13:50 PM
Never had that problem. I would think the post office has better things to do than look at a date. IE maybe weight things to see if that package actually weights 3 oz or 10 oz.
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Volvo351
January 17, 2023 11:20 AM
Good to know; I won't use outdated labels. Not that I ever do, so this isn't an issue for reasonable people.
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fusgeyer
January 19, 2023 10:31 AM
This has been USPS policy for decades. In particular they are very fussy about Priority and Express mail dates. You have 48 hours for regular mail and 24 hours for Priority and Express mail to get your parcels to the Post Office.