Sec. 25.
That for the classification of vessels owned by the United States, and for such other purposes in connection therewith as are the proper functions of a classification bureau, all departments, boards, bureaus, and commissions of the Government are hereby directed to recognize the American Bureau of Shipping as their agency so long as the American Bureau of Shipping continues to be maintained as an organization which has no capital stock and pays no dividends: Provided, That the Secretary of Commerce and the chairman of the board shall each appoint one representative who shall represent the Government upon the executive committee of the American Bureau of Shipping, and the bureau shall agree that these representatives shall be accepted by them as active members of such committee. Such representatives of the Government shall serve without any compensation, except necessary traveling expenses: Provided further, That the official list of merchant vessels published by the Government shall hereafter contain a notation clearly indicating all vessels classed by the American Bureau of Shipping.