I'm looking for a way to force customers to use the USPS shipping if they live in certain States, or have a PO Box address. I had a custom mod create years ago on the ASP version, but it was buggy, and it was made in the core files which would be overwritten on updates. Any suggestions? Thank you.

Hi Ardade, There isn't a feature to select shipping carrier by state, it would have to be a custom mod.

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