Would just like to check my options.

I'm producing a shortfilm with a commercial license of maya and the non-commercial version of houdini. Strictly personal, but will probably attend a few festivals here and there and before I go too deep, I just want to make sure I wouldn't be in violation of anything when doing this.

Selling the film would, right? How about producing it in apprentice, then buying a Master license and sell it?

While I'm at it, does the HD license allow for using ROP for simulation data and various other formats (to communicate with maya etc.)?

your best bet is to mail SESI directly at info@sidefx.com and give them as much detail as possible…I sure they'll be able to clear things up for you.

Yeah, was looking at the support section, it says something like “if your a paying customer, mail here, otherwise, post on the forum”. I found a apprentice@sidefx though, sent a mail to that.