has anyone ever heard of a situation like this before?

"I simply worked with a Class III dealer in the state in which I planned to keep the Class III weapon. The Form 4 that I filled out used my California address, but I included an attachment that stated my intent to keep the weapon out-of-state, and provided the physical address where I planned to store it when I am not there. I filled out the Form 4 as an individual, and got the CLEO signoff on the back page, specifically for the Sheriff of the country where I planned to store the weapon.I sent in the Form 4 on 05/16/2007, the $200 check was cashed by the ATF on 05/22/2007, and approval was granted on 06/11/2007. Less than a month. I picked up the suppressor from the Class III dealer on 06/30/2007."

could something like this be done with a NJ resident planning on keeping something with a PA resident that is a friend of mine?