4. Any such amendment shall take effect on the date on which the Contributions Regulations come into operation or on the day following the date on which the amending resolution is passed, whichever is the later, and shall thereupon be valid notwithstanding anything to the contrary in the rules of the society or in the Friendly Societies Act 1974. Written notice of any such amendment shall be sent by the Secretary of the society to the Chief Registrar of Friendly Societies for registration within fourteen days of the coming into effect of the Amendment. The Chief Registrar shall issue to the society, in respect of that amendment, an acknowledgment of registration which shall be conclusive evidence that the amendment is duly registered.