Subject to the provisions of the next following subsection, a notice under this section shall not have effect unless it is given not more than twelve nor less than six months before the date of the termination specified therein.
In the case of a tenancy which apart from this Act could have been brought to an end by notice to quit given by the landlord—
In the case of any other tenancy, a notice under this section shall not specify a date of termination earlier than the date on which apart from this Part of this Act the tenancy would have come to an end by effuxion of time.
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A notice under this section shall not have effect unless it states whether the landlord is opposed to the grant of a new tenancy to the tenant.
A notice under this section which states that the landlord is opposed to the grant of a new tenancy to the tenant shall not have effect unless it also specifies one or more of the grounds specified in section 30(1) of this Act as the ground or grounds for his opposition.
A notice under this section which states that the landlord is not opposed to the grant of a new tenancy to the tenant shall not have effect unless it sets out the landlord’s proposals as to—