I just heard about an unidentified ATF agent in Alaska who has been asking gun shops for their sales records. These records are suposed to be made available in the case of a specific incident or investigation. The agent apparently got some shops to turn over their records, but another shop refused to...as this is not appropriate. http://www.guns.com/alaska-gun-shop-atf-strange-request-form-4473-7072.html
There is a difference between sales records and registration records.