(1) A declarant or an individual authorized by the declarant may, for a fee, file the declarant's declaration, for safekeeping, with the register in probate of the county in which the declarant resides.
(2) If a declarant or authorized individual has filed the declarant's declaration as specified in sub. (1) , the following persons may have access to the declaration without first obtaining consent from the declarant:
(a) The individual authorized by the declarant.
(b) A health care provider who is providing care to the declarant.
(c) The court and all parties involved in proceedings for guardianship of the declarant under ch. 880 , for emergency detention under s. 51.15 , for involuntary commitment under s. 51.20 , or for protective placement or protective services under ch. 55 .
(d) Any person under the order of a court for good cause shown.
(3) Failure to file a declaration under sub. (1) creates no presumption about the intent of an individual with regard to his or her health care decisions.