AMPOFO v. FIORINI Contract—Illegality—Statute—Plaintiff agreeing to help defendant to establish timber company in Ghana—Plaintiff at  time of agreement, an officer of the Forestry Department in charge of inspection, verification, measurement, etc. of logs for export and local consumption—Plaintiff, inter alia, negotiating the assignment of a timber concession to defendant—Subsequent contract between plaintiff and defendant whereby defendant undertook to pay plaintiff every year, thirty-five per centum of net profits of any company formed by him—Plaintiff alleging breach of contract by defendant—Civil Service Act prohibiting civil servants from taking improper advantage of their position in Civil Service or to be engaged in any gainful employment outside  the service without the consent of the prescribed authority—[p.830] Whether consideration provided by plaintiff for contract with defendant in contravention of Civil Service Act—Civil Service Act, 1960 (C.A. 5), s.26 (d) and (e).