370.Section 128 requires a ‘relevant partner’ of a local authority (as defined in section 162) to inform the authority if they suspect a person in its area is an adult at risk (or if the person is in the area of another local authority, to inform that other authority). It also requires a local authority to inform another local authority (in Wales or in England) if an adult they suspect to be at risk is living or moving to the area of that other authority.