Section 14
SEC. 14. The Commission shall have power: To investigate, upon its own initiative, or upon complaint in writing, any matter concerning any public utility as herein denned. From time to time to appraise and value the property of any public utility as herein denned, whenever in the judgment of said Commission it shall be necessary so to do, for the purpose of carrying out any of the provisions of this Act, and in making such valuation the Commission may have access to and use any books, documents, or records in the possession of any department, bureau, office, or board of the Government of the Philippine Islands or any political subdivision thereof. After hearing, upon notice by order in writing, to fix just and reasonable individual rates, joint rates, tolls, charges, or schedules thereof, as well as commutation, mileage, and other special rates which shall be imposed, observed, and followed thereafter by any public utility as herein defined, whenever the Commission shall determine any existing individual rate, joint rate, toll, charge, or schedule thereof of commutation, mileage, or other special rate to be unjust, unreasonable, insufficient, or unjustly discriminatory or preferential. To require every public utility as herein defined to file with it complete schedules of every classification employed and of every individual or joint rate, toll, fare or charge made, charged or exacted by it for any product supplied or service rendered within the Philippine Islands, and in the case of public carriers, to file with it a statement showing the itineraries of routes served as specified in such requirement. In case of new public utilities, such itineraries and schedules shall be filed with the Commission before the public utility begins operation. After hearing, by order in writing, to fix just and reasonable standards, classifications, regulations, practices, measurements, or service to be furnished, imposed, observed, and followed thereafter by any public utility as herein defined. After hearing, by order in writing, to ascertain and fix adequate and serviceable standards for the measurement of quantity, quality, pressure, initial voltage, or other condition pertaining to the supply of the product or service rendered by any public utility as herein defined, and to prescribe reasonable regulations for examination and test of such product or service and for the measurement thereof. After hearing, by order in writing, to establish reasonable rules, regulations, specifications, and standards, to secure the accuracy of all meters and appliances for measurements. To provide for the examination and test of any and or all appliances used for the measuring of any product or service of a public utility as herein defined. By its agents, experts, or examiners, to enter upon any premises occupied by any public utility as herein defined, for the purpose of making the examinations and tests provided for in this Act and to set up and use on such premises any apparatus and appliances necessary therefor. To fix the fees to be paid by any consumer or user of any product or service of a public utility as herein defined, who may apply to said Commission for such examination or test to be made, and any consumer or user may have any such appliance tested upon the payment of the fees fixed by the Commission, which fees shall be repaid to the consumer or user if the appliance be found defective or incorrect to the disadvantage of the consumer or user, and in that event, paid by the public utility. After hearing, upon notice, by order in writing, to direct any railroad or street railway company to establish and maintain at any junction or point of connection or intersection with any other line of said road, or with any line of any other railroad, street railway, or traction company, such just and reasonable connections as shall be necessary to promote the convenience of shippers of property, or of passengers, and in like manner to direct any railroad, street railway, or traction company engaged in carrying merchandise, to construct, maintain, and operate, upon reasonable terms, a switch connection with any private sidetrack, which may be constructed by any shipper to connect with the railroad or street railway where, in the judgment of the Commission, such connection is reasonable and practicable, and can be put in with safety, and will furnish sufficient business to justify the construction and maintenance of the same. To permit any street railway or traction company to change its existing gauge to standard steam railroad gauge, upon such terms and conditions as said Commission shall prescribe.