New hampshire constitution
Part II – form of government
Article 71

The county treasurers, registers of probate, county attorneys, sheriffs and registers of deeds, shall be elected by the inhabitants of the several towns, in the several counties in the state, according to the method now practiced, and the laws of the state, Provided nevertheless the legislature shall have authority to alter the manner of certifying the votes, and the mode of electing those officers; but not so as to deprive the people of the right they now have of electing them.