Section 3
SEC. 3. All appropriations herein made for public works such as the construction and repair of public buildings, docks, wharves, and roads, and for harbor improvements, shall be available for withdrawal and disbursement until the said public works are completed. All balances remaining unexpended when any public works so appropriated for are completed shall be returned at once to the Insular Treasury and shall not be available for withdrawal or disbursement thereafter, but shall be carried to the general revenues of the Islands.