You must provide to forms of ID. Drivers license and vehicle registration works. You can forward your mail to your PO box. After you are settled you can change the forward to forward your mail to the new address. Forwarding will cause a 1 week delay of your mail.
Can you keep having your mail go to a PO Box I guess that was my original question sorry. Will all your mail go to a PO box as well, we are moving in a few months with some friends, we have always had our own address but we would rather once we move just have all our mail go to a PO box are we able to do that, that's what I am asking.
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