Application of seal and proof of instruments
8.—(1) The application of the seal of the Residuary Body shall be authenticated by the signature of any member of the Residuary Body, or of its staff, whom it has authorised, whether generally or specially, for the purpose.
(2) Every document purporting to be an instrument issued by the Residuary Body and to be duly sealed with its seal or to be signed on its behalf shall be received in evidence, and, unless the contrary is shown, shall be deemed to be an instrument so issued.