Revisions to Approved Formulas
TTB understands that changes in approved formulas may occur. Use the following guidelines for the TTB number when submitting revisions of approved formulas. Changes to the approved formula should be specified in a note or comment per 27 CFR 17.122.
The same TTB number may be used when:
A new TTB number is needed when:
Note: The same guidelines apply to revisions of disapproved formulas. If you are trying to make an unfit product, a new TTB number is needed. If there are only minor changes with no change in the fitness of the product, the same TTB number may be used.