(1) A corporation, partnership, bank, savings and loan association, savings bank, credit union, or other business entity may provide appraisal services if the appraisal is prepared by a certified general appraiser, a certified residential appraiser, or a licensed appraiser. An individual who is not a certified general appraiser, a certified residential appraiser, or a licensed appraiser may assist in the preparation of an appraisal if:
(a) The assistant is under the direct supervision of a certified or licensed appraiser; and
(b) The final appraisal document is approved and signed by an individual who is a certified or licensed appraiser.