The Local Government (Assistants for Political Groups) (Remuneration) Order 1990
One of the requirements relating to the terms on which a person is appointed to or holds an appointment in pursuance of section 9 (assistants for political groups) of the Local Government and Housing Act 1989 is that the annual rate of remuneration for the post is less than £13,500 or such higher amount as the Secretary of State may specify.