Article III, § 30

Every bill, when passed by the General Assembly, and sealed with the Great Seal, shall be presented by the presiding officer of the House in which it originated to the Governor for the Governor's approval. All bills passed during a regular or special session shall be presented to the Governor for the Governor's approval no later than 20 days after adjournment. Within 30 days after presentment, if the Governor approves the bill, the Governor shall sign the same in the presence of the presiding officers and Chief Clerks of the Senate and House of Delegates. Every Law shall be recorded in the office of the Supreme Court of Maryland, and in due time, be printed, published and certified under the Great Seal, to the several Courts, in the same manner as has been heretofore usual in this State .