(1)Any direction under section 81 or 83 must be given in writing and may be varied or revoked by a further direction in writing.
(2)Any such direction may make different provision for different cases and different provision for different areas.
(1)The Secretary of State may give guidance about anything which could be done by a local authority under this Chapter.
(2)Any guidance under this section must be given in writing and may be varied or revoked by further guidance in writing.
(3)Any such guidance may make different provision for different cases and different provision for different areas.
(4)In exercising any function under this Chapter a local authority must have regard to any guidance under this section.
(5)In this section a “local authority” is—
(a)a county council;
(b)a district council;
(c)an ITA.