Reminder: Drawback Improved Substitution (DIS) Documentation Required for Adjusted Drawback Claims
CBP issued a reminder that proper Drawback Improved Substitution (DIS) documentation is required when filing adjusted drawback claims, indicating that incomplete or missing DIS documentation is a recurring compliance gap CBP is actively monitoring. Claims lacking the required documentation risk rejection or delay.
Our position is that DIS documentation deficiencies are one of the more common drawback audit findings, and we treat this reminder as confirmation that CBP is scrutinizing adjusted claims more closely — we are auditing open drawback files to verify DIS packages are complete before submission.
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