Section 2
SEC. 2. Vessels of Philippine register of three hundred and fifty tons gross or over carrying passengers in the ons' coastwise trade, except vessels plying exclusively on rivers, lakes, and bays, shall be equipped with radio apparatus capable of sending and receiving communications over a distance of not less than two hundred nautical miles: Provided, That vessels of two hundred tons net making regular trips from one port to another for more than fifteen hours shall be included in this section.