For the first six months, its amount is equal to 80% of the difference between the amount of the gross monthly allowance, before withholding of tax at source, that the person concerned received for the performance of his or her elective duties, and all the resources received by way of income from work, substitute income or allowances linked to other elective offices.
As of the seventh month following the start of payment of the allowance, the amount of the end-of-mandate differential allowance is equal to 40%.