The provisions of N.C. Gen. Stat. § 120-19.5 pertaining to staff assistance and the provisions of N.C. Gen. Stat. § 120-19.6 pertaining to interim committee activity shall not apply to the House if the House by rule or resolution shall adopt an alternate method of staff assistance or interim committee activity and shall not apply to the Senate if the Senate by rule or resolution shall adopt an alternate method of staff assistance or interim committee activity. Either house of the General Assembly shall have the right to determine any matter concerning the scope of its internal procedure by appropriate rule or resolution without the joinder of the other. (1973, c. 543.)