Appointment of Speaker Pro Tempore, Presiding Officer in Absence of Speaker
8. The Speaker shall appoint a Speaker pro tempore, who, during the absence of the Speaker, shall preside and perform all duties of the Speaker: Provided, That the Speaker may designate, by appointment in writing entered upon the Journal of the House, any member, other than the Speaker pro tempore, who, during the absence of the Speaker, shall preside and perform the duties of the Speaker until the Speaker returns to the chair: Provided, however, That the Speaker may call any member to the chair to perform the duties of Speaker but such substitution shall not extend beyond an adjournment: Provided, further, That the Speaker pro tempore or any other member hereunder designated shall so preside for a period not to exceed three consecutive legislative days, but for no longer period, except by special consent of the House.