In a case where the tenant of an agricultural holding has quitted the holding before the commencement of this Act, or quits it after the commencement of this Act in consequence of a notice to quit given (whether by him or his landlord) before the first day of November, nineteen hundred and forty-eight, or in consequence of a renunciation of the tenancy in pursuance of an agreement in writing made before that day, the provisions of this Act, so far as relating to the rights of landlords and tenants to compensation (including the provisions relating to the determination of compensation where a holding is divided, the apportionment of compensation in such a case and the payment of expenses caused by such an apportionment), and the payment and recovery of compensation shall not apply, and in lieu thereof the enactments specified in the Eighth Schedule to this Act, so far as relating to the matters aforesaid, shall continue to apply and shall accordingly be excepted from the operation of the last foregoing section.