(1) Any person may, by power of attorney under his or her hand and seal and attested, appoint some person to be his or her attorney for any purpose in relation to stock.
(2) Every power of attorney in relation to stock, or a certified copy of such a power, shall be deposited, or produced to the Registrar, at the Registry where the stock to which the power of attorney relates is inscribed.
(3) A power of attorney has effect for all purposes mentioned in the power of attorney until notice of its revocation or of:
(a) the bankruptcy;
(b) the death; or
(c) where, apart from this subsection, the power of attorney would cease so to have effect because of the mental incapacity of the principal--the mental incapacity;
of the principal has been received by the Registrar at the Registry where the power of attorney was deposited or produced.