Where the Mental Welfare Commission are satisfied—
(a)that any person is incapable, by reason of mental disorder, of adequately managing and administering his property and affairs;
(b)that a curator bonis ought to be appointed in respect of that person; and
(c)that no arrangements have been made or are being made in that behalf,
they may petition the court for such appointment as aforesaid ; and, where that person is a patient in a hospital or has been placed under guardianship, the Commission shall, on the grant of any such petition, so inform the managers of the hospital or, as the case may be, the local authority concerned within 28 days therefrom.