44 CAP. 400] Patents Minister under this section to make, use and exercise an invention shall include power­ (a) to sell such articles to the government of any country in pursuance of any such agreement or arrangement as afore­ said; and (b) to sell to any person any articles made in the exercise of the powers conferred by this section which are no longer required for the purpose for which they were made. (7) The purchaser of any articles sold in the exercise of powers conferred by this section, and any person claiming through him, shall have power to deal with them in the same manner as if the patent were held on behalf of the President. (8) The Minister may, by statutory instrument, make regulations governing the rights of third parties in relation to any use of a patented invention, or an invention in respect of which an application for a patent is pending, made for the services of the State in terms of this section or section forty-one. (As amended by G.N. No. 185 of 1964, s.t. No. 175 of 1965 and Act No. 18 of 1980) Special provisions as to State use during emergency 41. (1) For the purposes of this section, the expression "period of emergency" means any period beginning on such date as may be declared by the Minister by statutory notice to be the commence­ ment, and ending on such date as may be so declared to be the ter­ mination, of a period of emergency. (2) During any period of emergency the powers exercisable in relation to an invention by a Government department or a person authorised by the Minister under section forty, shall include power to make, use, exercise and vend the invention for any purpose which appears to the Minister necessary or expedient­ (a) for the efficient prosecution of any war in which the Republic may be engaged; (b) for the maintenance of supplies and services essential to the life of the community; (c) for securing a sufficiency of supplies and services essential to the well-being of the community; (d) for promoting the productivity of industry, commerce and agriculture; (e) for fostering and directing exports and reducing imports or imports of any classes, from all or any countries and for redressing the balance of trade; (j) generally for ensuring that the whole resources of the com­ munity are available for use, and are used, in a manner best calculated to serve the interests of the community; or