For the repayment of allowances, grants and any other benefits unduly paid by Pôle emploi on its own behalf, on behalf of the body responsible for managing the unemployment insurance scheme referred to in Article L. 5427-1, on behalf of the State or employers referred to in Article L. 5424-1, the Director General of Pôle emploi or the person designated by him/her may, within the time limits and under the conditions set by regulation, and after formal notice, issue a constraint which, in the absence of opposition by the debtor before the competent court, has all the effects of a judgement and confers the benefit of the judicial mortgage.