For this Act, each of the following is a special personal matter for a principal:
(a) making or revoking the principal's will;
(b) making or revoking a power of attorney or enduring power of attorney for the principal;
(c) exercising the principal's right to vote in a Commonwealth, Territory, State or local government election or referendum;
(d) consenting to the adoption of a child of the principal who is under 18 years;
(e) consenting to the marriage of the principal.