Section 76.1704 - Proof-of-performance test data(a) The proof of performance tests required by § 76.601 shall be maintained on file at the operator's local business office for at least five years. The test data shall be made available for inspection by the Commission or the local franchiser, upon request.(b) The provisions of paragraph (a) of this section shall not apply to any cable television system having fewer than 1,000 subscribers, subject to the requirements of § 76.601(d) . If a signal leakage log is being used to meet proof of performance test recordkeeping requirements in accordance with §76.601, such a log must be retained for the period specified in §76.601(d).