Easy questions about availability and an online "test" conducted in store to learn their guidelines and expectations. The questions and test took about an hour and involved looking for items in the store through their online portal system.

You basically just phone and say that you want to volunteer. If they need someone to cover shifts, they basically just make sure you're not a thief, that you care about fair trade and that you are reliable. You then do a trial shift to see how you all get on with each other.