120. Subject to sections 120.1 to 120.3 the security provided for in this Division is required in order to guarantee, for the duration of the security, the observance of the Act and fulfilment, by the merchant who furnished a security or by his representative, of the obligations arising from contracts entered into within the scope of the operations requiring the security:(a) firstly, to indemnify in capital, interest and costs any consumer holding a liquidated debt resulting from non-compliance with the Act or from a contract covered by the security and certified either by a judgment rendered against the merchant, his representative or the surety, or by an agreement or transaction entered into between the consumer, on the one hand, and the merchant, his representative, the trustee or the surety, on the other hand;
(b) secondly, to recover the fine and costs imposed on the merchant or his representative under Chapter III of Title IV of the Act.