N.H. Const. pt. 2, art. 22
The House of Representatives shall choose their own Speaker, appoint their own officers, and settle the rules of proceedings in their own House; and shall be judge of the returns, elections, and qualifications, of its members, as pointed out in this Constitution. They shall have authority to punish, by imprisonment, every person who shall be guilty of disrespect to the House, in its presence, by any disorderly and contemptuous behavior, or by threatening, or illtreating, any of its members; or by obstructing its deliberations; every person guilty of a breach of its privileges, in making arrests for debt, or by assaulting any member during his attendance at any session; in assaulting or disturbing any one of its officers in the execution of any order or procedure of the House; in assaulting any witness, or other person, ordered to attend, by and during his attendance of the House; or in rescuing any person arrested by order of the House, knowing them to be such.
June 2, 1784
Amended 1792 by adding that the House shall be judge of the returns, elections, and qualifications of its members.