So, I'm in the process of procurring all the parts to build a SBR M4, will also be full auto with a can. (figure I might as well do it all to begin with)

I'm also going to move in the next year or so (AZ or NV)

If I build this now while living in PA, what do I need to do after I move? Do I need to redo the paperwork in the state I move to and re-apply for a new license/stamp? Does the approval in PA carry over to the state I move to?

I'd rather build it here in PA before I move, because I have people who can help I trust as far as quality of the parts and getting it all together.