Quote Originally Posted by tameenuwen View Post
I believe its based on how many you have on hand to turn in as a single individual. Not as a party. However if you are in a party, and if you kill multiple mobs you all get the same drop, but the items you turn in is based on you.
It doesn't seem though like you have to actually turn them in if your party has.

I did one of the turn-in FATEs near Aleport and while I had ~20 items in my inventory I didn't get a chance to turn in a single one because I didn't notice the timer click in. I still got gold participation for it.