Massachusetts Constitution Pt. 2, Ch. VI, Art. 9

ART. IX. [To the end there may be no failure of justice, or danger arise to the commonwealth from a change of the form of government--all officers, civil and military, holding commissions under the government and people of Massachusetts Bay in New England, and all other officers of the said government and people, at the time this constitution shall take effect, shall have, hold, use, exercise and enjoy, all the powers and authority to them granted or committed, until other persons shall be appointed in their stead: and all courts of law shall proceed in the execution of the business of their respective departments; and all the executive and legislative officers, bodies and powers shall continue in full force, in the enjoyment and exercise of all their trusts, employments and authority; until the general court and the supreme and executive officers under this constitution are designated and invested with their respective trusts, powers and authority.]