496. Operation of notices to quit against sub-tenants.

The right of a tenant1 to restrict the operation of a notice to quit by means of a counter-notice does not apply where notice to quit a holding or part of a holding is given to a sub-tenant2 by a tenant who has himself been given notice to quit3 that holding or that part and the fact that the tenant has been given such notice is stated in the notice given to the sub-tenant4; but the notice given to the sub-tenant will not have effect if that given to the tenant does not have effect5. A notice to quit