47 CFR § 68.326 - Retention of records.
(a) The responsible party for a Supplier's Declaration of Conformity shall maintain records containing the following information:
(1) A copy of the Supplier's Declaration of Conformity;
(2) The identity of the testing facility, including the name, address, phone number and other contact information.
(3) A detailed explanation of the testing procedure utilized to determine whether terminal equipment conforms to the appropriate technical criteria.
(4) A copy of the test results for terminal equipment compliance with the appropriate technical criteria.
(b) For each device subject to the Supplier's Declaration of Conformity requirement, the responsible party shall maintain all records required under § 68.326(a) for at least ten years after the manufacture of said equipment has been permanently discontinued, or until the conclusion of an investigation or a proceeding, if the responsible party is officially notified prior to the expiration of such ten year period that an investigation or any other administrative proceeding involving its equipment has been instituted, whichever is later.