9. For the purposes of calculating the reduction in the remuneration paid to a member, the fees and allowances referred to in sections 2 to 5, as well as the retirement pension referred to in section 7 shall be calculated on an hourly basis and each $50-portion of additional allowance paid to a member under the third paragraph of section 5 is deemed to be, for the purposes of the calculation, a fee paid for one hour of work.The retirement pension on an hourly basis shall be calculated as follows:
yearly retirement pension ÷ 261 working days ÷ 7 hours per working day.