OPPONG v. FRY-NARTEY Landlord and tenant—Rent officer—Functions—Rent officer empowered to investigate complaints for ejectment order—Whether rent officer competent to make ejectment order—Decision of rent officer lacking the binding force of rent magistrate's orders—Nature of his decision—Duty of rent officer where a party is aggrieved by his decision—Rent Act, 1963 (Act 220), ss. 5 (1) (a) and (b), 6 (1) (a) and (b) and 17 (1)—Rent Regulations, 1964 (L.I. 369), reg. 15, Form 13.