1(1)A tenancy shall not be a secure tenancy if the tenant (or one of joint tenants) is an employee of the landlord or of any local authority or development corporation, and his contract of employment requires him to occupy the house for the better performance of his duties.
(2)In this paragraph "contract of employment" means a contract of service or of apprenticeship, whether express or implied, and (if it is express) whether it is oral or in writing.