Since FCRA does not have a commentary (you know, like a REAL bank regulation....), you have to look at the FTC Opinion Letters which are a bit haphazard to review, and a couple of them over-ride previously issued letters, BUT that is where you find the prohibition on using a previously pulled report for marketing purposes.
Here is the index of the Opinion Letters:
http://www.ftc.gov/os/statutes/fcra/index.shtmThe Gowen letter is the one that rains on the Marketing Parade:
http://www.ftc.gov/os/statutes/fcra/gowen.shtm