What is a Federal Firearms License (FFL) “bound book?”

A “bound book” is a permanently bound book or an orderly arrangement of loose-leaf pages which must be maintained on the business premises. The format must follow that prescribed in the regulations and the pages must be numbered consecutively.

REF: [27 CFR 478.121 and 478.125

Also commonly referred to as the A&D Book, Acquisition and Disposition Bound Book and just Bound Book