[355-128.] SECTION  1350 . Report of Accident to Vessel.  — When any Philippine vessel of more than three tons gross sustains or causes any accident involving loss of life, material loss of property, or serious injury to any person, or receives any damage affecting her  seaworthiness or her efficiency, the managing owner, agent, or master of such vessel shall, by the first available mail, send to the collector of the district within which such vessel belongs, or of that within which such accident or damage occurred, a rep ort thereof, stating the name of the vessel, the port to which she belongs, and the place where she was, the nature and probable occasion of the casualty, the number and names of those lost, and the estimated amount of loss or damage to the vessel or cargo ; and shall furnish such other information as shall be called for. When the managing owner or agent of such vessel has reason to apprehend that it has been lost, he shall promptly send notice in writing to the collector of customs at her home port giving advice of such loss and the probable occasion therefor, stating the  name of the vessel and the names of all persons on board, so far as the same can be ascertained, and shall furnish, upon request of the collector, such additional information as shall be required. [355-75, 363.] SECTION  1351 . Application of Shipping Laws to Government Boats . — Vessels owned or operated by the Government shall not be subject to the requirements of this chapter relative to registration and navigation except in so far as prescribed in the regulations  of the Bureau of Customs. SECTION  1352 . Revocation of Certificate . — When it shall appear to the Insular Collector that any certificate of Philippine register or certificate of ownership was illegally or improperly issued, he may cancel the same. [355-127.] SECTION  1353 . Inspection of Hulls, Boilers, and other Constructional Features . — In the exercise of the authority confided in the Bureau of Customs over the coastwise trade and over Philippine vessels and shipping generally, it shall be the duty of the Ins ular Collector to cause adequate technical inspections to be made from time to time and as occasion may require of the hulls, engines, boilers, and other mechanical and constructional features of all Philippine vessels and to fix the standards which must b e attained in respect thereto. The hull, engines, and boilers of all steam vessels engaged in coastwise traffic shall be inspected at least once a year, or in case of the hull of a wooden vessel, at least once every two years. Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 398