406.Section 153 provides that where the Welsh Ministers have the power to intervene under section 152 they may direct the local authority (in respect of whose exercise of its social services functions they are intervening) to enter in to a contract with a specified person or body (or a person or body falling within a specified class) to provide specified services of an advisory nature. The direction may require the contract with that person or body to contain specified terms and conditions (subsections (3) and (4)).