1. Short title This Act may be cited as the North American Development Bank Improvement and General Capital Increase Authorization Act of 2017 . 2. General capital increase Part 2 of subtitle D of title V of Public Law 103–182 (22 U.S.C. 290m–290m-5) is amended by adding at the end the following: 547. First capital increase (a) Subscription authorized (1) In general The Secretary of the Treasury may subscribe on behalf of the United States to 150,000 additional shares of the capital stock of the Bank. (2) Limitation Any subscription by the United States to the capital stock of the Bank shall be effective only to such extent and in such amounts as are provided in advance in appropriations Acts. (b) Limitations on authorization of appropriations In order to pay for the increase in the United States subscription to the Bank under subsection (a), there are authorized to be appropriated, without fiscal year limitation, $1,500,000,000 for payment by the Secretary of the Treasury, of which— (1) $225,000,000 shall be for paid-in shares of the Bank; and (2) $1,275,000,000 shall be for callable shares of the Bank. . 3. Policy goals In addition to the North American Development Bank’s current mission and scope, the United States Government, in connection with its voice and vote in the Bank, shall support the financing of projects related to— (1) natural gas, including natural gas pipelines and combined cycle power plants, with major emphasis on cross-border energy distribution and consumption and the energy security of the United States and Mexico