(1)  An administrator who carries on a business of, or including, the administration of estates, whether under this Act or otherwise, is, if the Tribunal so determines, entitled to remuneration out of the estate of the represented person for the work involved in administering that estate, whether the work was or is performed before or after the commencement of this section.

(2)  This section does not affect the right of The Public Trustee or a trustee company to recover charges and expenses under any other law.