640. Provision of accommodation by local authority.

If a local authority¹ proposes to make arrangements: (1) for the provision of residential accommodation for a person ('P') who lacks capacity² to agree to the arrangements³; or (2) for a change in P's residential accommodation⁴, and is satisfied that there is no person (other than one engaged in providing care or treatment for P in a professional capacity or for remuneration)⁵ whom it would be appropriate for it to consult in determining what would be in P's best interests⁶, then before making such arrangements the local authority must instruct an independent mental capacity advocate⁷ to represent P unless