Generally, you shouldn't have any trouble as long as you're handing the package to USPS® within a few days of the date on the label... but it is at the discretion of the USPS® employee, so be super nice about it 😉

Unfortunately once you’ve purchased a label there is no way to edit it, so if you need to change the Ship Date you will have to request a refund for the label and start over.

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