(a) Upon the application of a person for voluntary admission, or at the time a person admitted under AS 47.30.690 reaches the age of 18, the person shall be given a copy of the following documents which shall be explained as necessary:
(1) notice of rights as set out in AS 47.30.825 - 47.30.865 and an explanation of any document served upon the person; and
(2) notice that should the person desire to leave at a time when the treatment facility determines that the person is mentally ill and as a result is likely to cause serious harm to self or others or is gravely disabled, the facility could initiate commitment proceedings against the person.
(b) If an applicant for voluntary admission does not understand English, the explanation shall be given in a language the applicant understands.