Section 179.15 - Follow-up report(a) Each manufacturer who makes an initial report required by § 179.13 shall submit a follow-up report to the Commandant by certified mail within 60 days after the initial report. The follow-up report must contain at least the following information: (1) A positive identification of the initial report;(2) The number of units in which the defect was discovered as of the date of the follow-up report;(3) The number of units in which corrective action has been completed as of the date of the follow-up report;(4) The number of first purchasers not notified because of an out-of-date name or address, or both; and(5) An updating of the information required by § 179.13 .(b) Each manufacturer shall submit any additional follow-up reports requested by the Commandant.