The Most Common Bound Book Errors FFL Dealers Make

Your acquisition and disposition log is the foundational compliance document of your FFL. ATF auditors use it to trace every firearm through your business. Errors in the bound book — whether in an electronic system or a paper log — create the kind of discrepancies that generate violation findings.

Missing or Incomplete Acquisition Entries

Every firearm that enters your inventory must be logged before it can be offered for sale or transferred. Common acquisition errors include: logging the firearm after the fact, missing the acquisition date, incomplete firearm descriptions (missing serial number, caliber, or type), and failing to log consignment or trade-in firearms promptly.

The ATF requires acquisition entries to be made within the timeframes specified in federal regulations — generally no later than the close of business on the day of acquisition for dealers.

Disposition Entries Without Matching Form 4473

Every disposition entry must tie to either a Form 4473 (for retail sales) or another appropriate disposition document (for transfers to other licensees, law enforcement, etc.). An auditor who finds a disposition entry with no corresponding Form 4473 on file has found a violation. Keep your bound book and your 4473 files organized so this cross-reference can be verified quickly.

Firearms in Inventory Without Acquisition Entries

The reverse problem — firearms in your physical inventory that don't appear in your acquisition records — is equally serious. If you acquire a firearm, it goes in the book. No exceptions. Firearms "stored" in your business that never got logged create unexplainable inventory discrepancies.

Serial Number Transcription Errors

Serial numbers must be recorded exactly as they appear on the firearm. Transposing digits or letters, adding hyphens that aren't there, or omitting characters all create mismatches between your records and the firearm. When an auditor is reconciling serial numbers during a physical inventory, one wrong digit means one firearm that can't be matched.

Overwriting and Correction Procedures

Paper bound books require specific correction procedures — errors must be lined through (not obliterated), corrected, and initialed. White-out and complete erasure are not permitted. Electronic systems should maintain audit trails. If a correction can't be explained and traced, it raises questions.