Except as provided in this section, section 3 above shall have effect notwithstanding any agreement to the contrary.
Where before the grant of a tenancy of an agricultural holding for a term of not less than two, and not more than five, years—
the persons who will be the landlord and the tenant in relation to the tenancy agree that section 3 above shall not apply to the tenancy, and
those persons make a joint application in writing to the Minister for his approval of that agreement, and
the Minister notifies them of his approval,
section 3 shall not apply to the tenancy if it satisfies the requirements of subsection (3) below.
A tenancy satisfies the requirements of this subsection if the contract of tenancy is in writing and it, or a statement endorsed upon it, indicates (in whatever terms) that section 3 does not apply to the tenancy.