Unless the power of attorney provides a different method for an agent’s resignation, an agent may resign by giving notice to the principal and, if the principal is incapacitated:
1. To the conservator or guardian, if one has been appointed for the principal, and a coagent or successor agent;
2. If there is no person described in subdivision 1, to an adult who is a spouse, child or other descendant, parent, brother, or sister of the principal;
3. If none of the foregoing persons is reasonably available, another person reasonably believed by the agent to have sufficient interest in the principal’s welfare; or
4. If none of the foregoing persons is reasonably available, the adult protective services unit of the local department of social services for the county or city where the principal resides or is located.