Procedure for filling out an 03 FFL for an out of state student?

I am a student in Kansas, but my license/car is still registered under my mom’s address in Missouri as my permanent address, as is the norm for students studying out of state.

I wish to fill out an 03 FFL for Curios and Relics so I can pick up a few milsurp guns to plink with on weekends. Nothing illegal about owning and storing them where I currently live.

However, under what address do I fill out the FFL? My current apartment address in Kansas or my permanent address in Missouri? I assume that if I have to fill out my form under Missouri, that I’ll have to have everything shipped to my moms place and then just make a trip to her place to pick it up?

Also, who exactly is the "Chief Law Enforcement Officer" that I have to give a copy of the FFL to? Local sheriff?

Thanks for any input!

Be sure to read the comments, you will find more information about FFL Licence

FFL license, notification to chief law enforcement.?

Part of getting a FFL is this….

the applicant has sent or delivered a form to the chief law enforcement officer where the premises are located notifying the officer that the applicant intends to apply for a license.

— In my case this would be the County Sheriff. Should I just send a copy of the completed ATF application by certified mail; "attention: (my sheriff’s name here)"

I would think that would cover the bases….. but what proof would I have that it was done, if there are problems later?