1.—(1) Subject to paragraph (2), this rule applies to a person who satisfies an eligibility condition and retires, having reached normal retirement age, or state pensionable age.
(2) This rule does not apply to a firefighter member whose notice of retirement states that he is retiring for the purpose of taking up employment with another authority.
(3) A person to whom this rule applies becomes entitled on retiring to an ordinary pension calculated, subject to paragraph (4), by multiplying his pensionable service by his final pensionable pay and dividing the resultant amount by 60.
(4) Where a person to whom this rule applies becomes entitled on retiring to a pension in respect of service as a retained or volunteer firefighter, his ordinary pension shall be calculated by multiplying his final pensionable pay by his pensionable retained or volunteer service and dividing the resultant amount by 60.
(5) Where a firefighter member is entitled to more than one ordinary pension, those pensions shall not be aggregated unless rule 7(6) applies.