The Surveyor-General may correct any error in the numerical data, figure or wording of a diagram registered in a deeds registry: Provided that if the correction affects the extent or designation of the land represented by the diagram, the Surveyor-General shall notify the Registrar of the correction, and that Registrar shall thereupon amend the relevant title deed and registers in his or her deeds registry in accordance with the corrected diagram and before effecting any further registration of that land or any portion thereof or share therein shall likewise amend the relevant duplicate title deed belonging to the owner of that land.