Section 3
SEC. 3. Sec. 106 of the Tariff and Customs Code, as amended, is further amended by inserting a new paragraph "b" and relettering sub-paragraphs (b), (c), and (d), thereof to (c), (d), and (e), respectively, the new paragraph (b) of the said Sec. 106 to read as follows: "b. On Petroleum Oils and Oils Obtained from Bituminous Minerals, Crude Eventually Used for Generation of Electric Power and for the Manufacture of City Gas.—On petroleum oils and oils obtained from bituminous materials, crude oils imported by non-electric utilities sold, directly or indirectly, in the same form or after processing, to electric utilities for the generation of electric power and for the manufacture of city gas, a refund or tax credit shall be allowed not exceeding fifty per cent (50%) of the duty imposed by law upon such oils, which shall be paid or credited under such rules and regulations as may be prescribed by the Commissioner of Customs with the approval of the Secretary of Finance."