(a) An advance health-care directive created before September 30, 2025, is valid if it complies with this chapter or complied at the time of creation with the law of the state in which it was created.
(b) This chapter does not affect the validity or effect of an act done before September 30, 2025.
(c) An individual who assumed authority to act as default surrogate before September 30, 2025, may continue to act as default surrogate until the individual for whom the default surrogate is acting has capacity or the default surrogate is disqualified, whichever occurs first.