Md. Code, AG § 2-804
1998, ch. 226:
§3(a) This Act may not take effect until:
(1) a similar act is passed by a state listed in Article VIII, Section 20 of the Compact contained in § 2-908 of the Agriculture Article as enacted by this Act, and contiguous to Maryland to its north; and
(2) the United States Congress consents to the Compact, and the conditions imposed by that consent have been met.
(b) The other listed states in the Northeast Dairy Compact are requested to concur in this Act of the General Assembly of Maryland by the passage of similar Acts.
(c) The United States Congress is requested to consent to this Act.
(d) The Department of Legislative Services shall notify the appropriate officials of the listed states and the United States Congress of the passage of this Act.
(e) Upon concurrence in this Act by at least two of the other listed states, consent by the United States Congress, and meeting of the conditions imposed by that consent, the Governor of the State of Maryland shall issue a proclamation declaring this Act valid and effective and shall forward a copy of the proclamation to the Executive Director of the Department of Legislative Services.
(f) This Act shall thereafter remain effective for a period of 2 years and, that at the end of 2 years, with no further action required by the General Assembly, this Act shall be abrogated and of no further force and effect.