Appointment; qualifications; recommendations of political parties; terms of office; certificate of appointment; alternate registrars — appointment; powers and duties; oath of office for registration and election officers; appearance of registration and election officers for taking of oath and instruction; removal; vacancies; compensation; payment procedure; source of pay; quorum; majority action; equal representation; duties; exemptions from military duty and service as registration officer; refusal to qualify or act; penalty; vacation of office; registration officers not to be candidates; special powers of registrars during registration; duties of assistant registrars; registrar to file affidavits