Notwithstanding the above, the Commission shall, immediately upon receipt of a request for certification for the positions of patrol officer, certify to the appointing authority from the preliminary eligibility list for those positions the names, addresses and grades of one-half of the persons standing highest on such appropriate eligibility list up to a maximum of twenty (20) candidates (ties included). If the eligibility list consists of twenty (20) names or less, ten (10) names shall be certified. (Amended 7-27-21)