A relevant authority can demonstrate compliance with the duty to have regard to island communities by making such arrangements as it considers appropriate to review any policy, strategy or service (as the case may be) which it develops or delivers in carrying out its functions, and either, in the case where the authority must prepare an island communities impact assessment under section 8(1) of the Act, by preparing that assessment, or in any other case, by making such an assessment or taking such other steps as the authority considers appropriate. S6W...