Facilities operated pursuant to this part shall be licensed under existing licensing categories, including provisional licenses, or accredited pursuant to section 321-193(10). Facilities operated pursuant to section 334-103(1) or (2) to provide services to mentally ill adults shall be licensed, including provisional licenses. Facilities operated to provide services to mentally ill adults pursuant to section 334-103(3) or (4) shall be accredited rather than licensed. The director shall review the appropriateness of these licensing and accreditation categories. If the director determines that new licensing or accreditation categories are necessary, the director shall issue a report and recommendation to the legislature.