In 1906, the local Republican committee nominated Coolidge for election to the Massachusetts House of Representatives. He won a close victory over the incumbent Democrat, and reported to Boston for the 1907 session of the Massachusetts General Court. In Massachusetts, the lieutenant governor does not preside over the state Senate, as is the case in many other states; nevertheless, as lieutenant governor, Coolidge was a deputy governor functioning as administrative inspector and was a member of the governor's council. He was also chairman of the finance committee and the pardons committee. As a full-time elected official, Coolidge discontinued his law practice in 1916, though his family continued to live in Northampton. lynching a federal crime (it was already a state crime, though not always enforced). Congress refused to pass any such legislation. On June 2, 1924, Coolidge signed the Indian Citizenship Act, which granted U.S. citizenship to all American Indians living on reservations.