Say a buddy of mine found 2 revolvers and a box of ammo hidden in the ceiling of his place that look like they've been there since the 40's. Assuming he doesn't have a LTC what is the law on this? Does he have a certain amount of time to get his LTC before it is an issue? Would he need to fill out an FA-10 to register them? Would it make sense for me, with a valid LTC, to hold on to them for him? Thanks.