"deeds registry"

means—

(a)when used in relation to immovable property, the deeds registry which serves the area in which that property is situate;
(b)when used in relation to any deed or other document, any deeds registry in the Republic wherein that deed or other document is registered or registrable;
(c)when used in relation to a registrar, the deeds registry of which he is in charge,

but does not include the mining titles office referred to in section three of the Registration of Deeds and Titles Act, 1909 (Act No. 25 of 1909) of the Transvaal;