A notice under the last foregoing subsection shall not have effect unless it is given not more than twelve nor less than six months before the date of termination specified therein.
A notice under subsection (1) of this section shall not have effect unless it specifies the premises which the landlord believes to be, or to be likely to be, the premises qualifying for protection and either—
A notice under subsection (1) of this section shall invite the tenant, within two months after the giving of the notice, to notify the landlord in writing whether he is willing to give up possession as mentioned in paragraph (b) of the last foregoing subsection.
A notice under subsection (1) of this section containing proposals such as are mentioned in paragraph (a) of subsection (3) of this section is hereinafter referred to as a “landlord’s notice proposing a statutory tenancy”, and a notice under subsection (1) of this section not containing such proposals is hereinafter referred to as a “landlord’s notice to resume possession”.
References in this Part of this Act to an election by the tenant to retain possession are references to his notifying the landlord, in accordance with subsection (4) of this section, that he will not be willing to give up possession.