88. Approval of public bodies.

If it appears to the appropriate national authority1 that:


    (1)     public bodies of a certain description should be enabled to supervise2 their own work3; or


    (2)     that a public body should be approved for the purpose of supervising its own work4,

the appropriate national authority must approve that description of body or, as the case may be, that body in writing and take such steps as appear appropriate to inform those local authorities and public bodies which will be affected by the giving of the approval