This Tariff Concession Order (TCO) designates safety‑locking cotter‑pins (tariff classification 7318.24.00) as goods covered by item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995, altering their customs duty treatment. The order takes effect from 15 March 2010 and remains in force until revoked under the Customs Act. A delegate of the CEO (Paul Mercer) signed it; the practical impacts fall on importers (customs duty and declaration treatment) and on the administering agency's discretion to revoke (ss.269SC/269SD).