News Askew [1] reports:

Well, we’ve not got it officially in writing. Searching for the term “Miri” over at the official MPAA website and their rating site reveals that “Zack And Miri Make a Porno” is currently “pending appeal”, but as of right now:

Rating Reason: Rated NC-17 for some graphic sexuality.

The Kevin Smith-directed film stars Seth Rogen, Elizabeth Banks and Traci Lords and is scheduled to release on Oct. 31, 2008.