UST I guess so no - you don't need any tape.
Unless...you have lose fitting tyres and you need to build up the rim bed.
Thanks Howard,
Is UST a type of tubeless rim? As far as I know these rims are not tubeless ready despite the sealed rim. Thanks for your help!
http://www.pinkbike.com/news/To-The-Point-UST-Rims-Tires-2013.html
Maybe they aren't UST. What do the specs say?
@Heitzman started
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UST I guess so no - you don't need any tape.
Unless...you have lose fitting tyres and you need to build up the rim bed.