23. If the total amount of remuneration or expense allowances which a member would, but for section 21 or 22, be entitled to receive is greater than the maximum prescribed, the excess amount is subtracted from the amount which the member would be entitled to receive from the mandatary body of the municipality or the supramunicipal body.
Where the member would be entitled to receive an amount from several bodies, the excess amount is subtracted, proportionately, from each amount.