Universal Rewards codes - what are the limitations?

[cleaver]

Originally Posted by Dunda

When entering codes from physical disc packs for Universal Rewards, does it allow you to enter a code for a movie title that you've already redeemed another code before? I noticed recently that a few codes I entered would just turn yellow but no points would be added. I believe it limits you to 5 (?) entries per 24 hours, but I hadn't done that, so the one per movie limit is the only thing I could think of.

2 per movie