21 CFR 170.106 - Notification for a food contact substance formulation (NFCSF).
(b) FDA may publish a notice in the Federal Register stating that the agency has insufficient resources to review NFCSFs. From the date that this notice publishes in the Federal Register, FDA will no longer accept NFCSFs.
(c) An NFCSF must contain the following:
(1) A completed and signed FDA Form No. 3479; and
(2) Any additional documentation required to establish that each component of the formulation already may be marketed legally for its intended use.