The purposes of this part are to:
(1) provide a principal assistance in:
(a) gathering and assessing information;
(b) understanding options, responsibilities, and consequences of a decision; and
(c) communicating decisions for a principal if the principal wants assistance with communicating decisions;
(2) give a supporter legal status, as specified in a supported decision-making agreement, to be with a principal, to access information on behalf of a principal, and to participate in discussions with others when a principal is making decisions or seeking to obtain information; and
(3) enable a supporter to assist in making and communicating decisions for a principal, but not to substitute as the decision maker for a principal.