After any contravention of section 123 has occurred in relation to a sum payable as mentioned in section 123(1)(a), the agreement under which the sum is payable is enforceable against the debtor or hirer on an order of the court only.

After any contravention of section 123 has occurred in relation to a sum payable by any surety, the security is enforceable on an order of the court only.

Where an application for an order under subsection (2) is dismissed (except on technical grounds only) section 106 shall apply to the security.