(1) An instrument which appoints more than one person to be an attorney may specify that the attorneys are appointed to act either jointly or jointly and severally. In default, the attorneys shall be deemed to have been appointed to act jointly.

(2) This Act, in its application to joint attorneys, applies to them collectively as it applies to a single attorney but subject to the modifications specified in subsection (3) and Part I of the Second Schedule.

(3) Where two or more persons are appointed (or are deemed to have been appointed) to act jointly, then, in the case of the death, incapacity or disqualification of any one or more of them, the remaining attorney or attorneys may continue to act, whether solely or jointly as the case may be, unless the instrument creating the power expressly provides to the contrary.

(4) This Act, in its application to joint and several attorneys, applies with the modifications specified in subsections (5) to (8) and in Part II of the Second Schedule.