6(1)Any reference in this Schedule to the relevant date shall be construed in accordance with this paragraph.S
(2)Where at the date when the assignation takes effect the tenancy referred to in paragraph 1(1)(a) above was grated, continued or renewed for a specified period exceeding seven years and that peiod has not terminated, the relevant date is the termination of that period.
(3)In any other case the relevant date is the date of the expiration of seven years from the commencement of the tenancy, or, as the case may be, from the continuance or renewal of the tenancy, in respect of which the premium was paid.
(4)The provisions of this paragraph shall apply to a tenancy for a specified period exceeding seven years notwithstanding that it is liable to be terminated by re-entry or on the happening of any event other than the giving of notice by the landlord to terminate the tenancy; and where a tenancy may be terminated by the giving of such notice by the landlord it shall be deemed to be a tenancy for a specified period expiring on the earliest date on which such a notice given after the date of the assignation would be capable of taking effect.