If the total amount of the benefit or benefits payable under paragraph 1 is lower than the amount of the benefit which the person concerned was receiving at the expense of the institution previously competent for payment, that institution shall pay him/her a supplement equal to the difference between the two amounts.
Si le montant total de la ou des prestations dues en vertu du paragraphe 1 est inférieur au montant de la prestation dont l'intéressé bénéficiait à la charge de l'institution antérieurement compétente, celle-ci lui verse un complément égal à la différence entre les deux montants.