A local authority ... shall appoint an officer, to be known as the director of adult social services, for the purposes of their social services functions, other than those for which the authority's director of children's services is responsible under section 18 of the Children Act 2004.
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Two or more local authorities may, if they consider that the same person can efficiently discharge, for both or all of them, the functions of director of adult social services ..., concur in the appointment of a person as director of adult social services ...for both or all of those authorities.
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A local authority which have appointed, or concurred in the appointment of, a person under this section, shall secure the provision of adequate staff for assisting him in the exercise of his functions.
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