New York Consolidated Laws, Public Health Law - PBH § 2992. Special proceeding authorized

1. determine the validity of the health care proxy;

2. have the agent removed on the ground that the agent (a) is not reasonably available, willing and competent to fulfill his or her obligations under this article;  (b) is acting in bad faith;  or (c) is the subject of an order of protection protecting the principal or has been arrested or charged for a criminal act that allegedly caused the principal's lack of capacity or substantially injured or impaired the health status of the principal, provided that the application of this provision in a particular case may be waived or modified in the interest of justice;  or

3. override the agent's decision about health care treatment on the grounds that:  (a) the decision was made in bad faith or (b) the decision is not in accordance with the standards set forth in subdivision one or two of section two thousand nine hundred eighty-two of this article.