(a) Except as limited by a supported decision-making agreement, a supporter may provide to a principal the following decision-making assistance about the principal's affairs:

1. (1) assisting with making decisions, communicating decisions, and understanding information about, options for, the responsibilities of, and the consequences of decisions;
2. (2) accessing, obtaining, and understanding information that is relevant to decisions necessary for the principal to manage the principal's affairs, including medical, psychological, financial, and educational information, medical treatment records, and other records;
3. (3) ascertaining the wishes and decisions of the principal, assisting in communicating those wishes and decisions to other persons, and advocating to ensure the implementation of the principal's wishes and decisions; and
4. (4) accompanying the principal and participating in discussions with other persons when the principal is making decisions or attempting to obtain information for decisions.