Section 1
SECTION 1. Section thirteen of Act Numbered Thirty-one hundred and eight, as amended by section six of Act Numbered Thirty-three hundred and sixteen, is hereby further amended to read as follows: "SEC. 13. The Commission shall have general supervision and regulation of, jurisdiction and control over, all public services, and also over their property, property rights, equipment, facilities, and franchises so far as may be necessary for the purposes of carrying out the provisions of this Act. The term 'public service' is hereby denned to include every individual, co-partnership, association, corporation, or joint-stock company, whether domestic or foreign, their lessees, trustees, or receivers appointed by any court whatsoever, or any municipality, province, or other department of the Government of the Philippine Islands, that now or hereafter may own, operate, manage, or control within the Philippine Islands, for hire or compensation, any common carrier, railroad, street railway, traction railway, subway, freight, and for passenger motor vehicles, with or without fixed route, freight or any other car service, express service, steamboat or steamship line, ferries, small water craft, such as lighters, pontines, lorchas, and others, engaged in the transportation of passengers or cargo, shipyard, marine railway, marine repair shop, public warehouse, public wharf or dock not under the jurisdiction of the Insular Collector of Customs, ice, refrigeration, canal, irrigation, pipe line, gas, electric light, heat, power, water, oil, sewer, telephone, wire or wireless telegraph system, plant or equipment: Provided, That as if regards such common carriers, by land or by water, whose equipment is used principally or secondarily in furtherance of their private business, the net earnings of the latter business shall be considered in connection with their common carrier business for the purposes of rate fixing: Provided, further, That the Commission shall have no jurisdiction over ice plants, cold storage plants, or any of the other services above mentioned, operated by the Federal Government exclusively for its own use and not to serve private persons for pay or compensation, nor over animal-drawn carts or ferries below two tons engaged principally in carrying freight: And provided, lastly, That -> the Commission shall not exercise any control or supervision over vessels operated within the Philippine Islands, except with regards to the fixing of maximum passenger and freight rates."