The Secretary may not make payments under section
290cc–21 of this title unless the State involved agrees that, in developing and carrying out the description required in subsection (a) of this section, the State will provide public notice with respect to the description (including any revisions) and such opportunities as may be necessary to provide interested persons, such as family members, consumers, and mental health, substance abuse, and housing agencies, an opportunity to present comments and recommendations with respect to the description.