SECTION 1. The Secretary of War is hereby authorized to issue in the name and on behalf of the Government of the Philippine Islands additional bonds in the amount of five million dollars. The proceeds of the sale of said bonds shall be used for the purpose of protecting the financial interests of said government. The bonds so authorized to be issued shall bear such date and be in such form as the Secretary of War may determine and shall run for such time, not exceeding thirty years from the date of issue, and shall bear such rate of interest as he may determine. The bonds may be coupon bonds or registered bonds, convertible, in the discretion of the Secretary of War, into either form, and in the case of the issue or transfer of any registered bonds the same may be registered in the Treasury of the United States. Both principal and interest shall be payable in gold coin of the United States at the Treasury of the United States. Said bonds shall be exempt from taxation by the Government of the United States, or by the Government of the Philippine Islands or of any political or municipal subdivision thereof, or by any State, or by any county, municipality, or other municipal subdivision of any State or Territory of the United States, or by the District of Columbia, which fact shall be stated upon their face, by virtue of section one of the Act of Congress approved February sixth, nineteen hundred and five, according to which Act, as well as in accordance with the Act of Congress approved on August twenty-ninth, nineteen hundred and sixteen, as amended, and in accordance with this Act, the said bonds are issued.