SECTION 1. Section eleven hundred and eighty of Act Numbered Twenty-seven hundred and eleven, known as the Administrative Code, is hereby amended to read as follows:
"SEC. 1180. 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 Insular 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 of all steam vessels of foreign private ownership navigating in any waters of the Philippine Islands, on common trade routes open to general or competitive navigation, and carrying passengers from any port of the Philippine Islands to any other place or country, and to fix the standards which must be attained in respect thereto: Provided, however, That the following vessels shall not be subjected to any inspection other than that required to convince the local inspectors that the condition of the vessel, its boilers and life-saving equipment are as stated in the current certificate of inspection: (a) passenger steamers of the United States having unexpired inspection certificates issued by competent authorities of said country; (b) passenger steamers belonging to other countries having inspection laws resembling those of the Philippine Islands, if the laws of said countries grant to Philippine steamships visiting said countries privileges identical to those granted to steamships of said countries visiting the Philippine Islands, but not otherwise. The hulls, 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."