49 CFR 831.12 : Transportation (§ 1.1 To Parts 1581-1699) — (§ 572.1 To Parts 851-999) — Other Regulations Relating To Transportation (Continued) (§ 572.1 To Parts 851-999) — National Transportation Safety Board (§ 800.1 To Parts 851-999) — Accident/Incident Investigation Procedures (§ 831.1 To § 831.14) — Access to and release of wreckage, records, mail, and cargo.

(a) Only the Board's accident investigation personnel, and persons authorized by the investigator-in-charge to participate in any particular investigation, examination or testing shall be permitted access to wreckage, records, mail, or cargo in the Board's custody.

(b) Wreckage, records, mail, and cargo in the Board's custody shall be released by an authorized representative of the Board when it is determined that the Board has no further need of such wreckage, mail, cargo, or records. When such material is released, Form 6120.15, “Release of Wreckage,” will be completed, acknowledging receipt.