failure to produce such directories shall constitute a violation of a licence condition for which the Commission may levy a penalty. (6) Any postal licensee who fails to provide universal postal services as stated in the licence or as required by the Commission shall be liable to a penalty of six thousand shillings for every month or part thereof during which such failure continues. Issuance of postage stamps. 84. (1) The public postal licensee shall ensure that all postage stamps are engraved with subjects that are consistent with the broad philatelic objectives of Kenya. (2) No reproduction of stamps shall be undertaken without the approval of the Commission. (3) In considering any expedient issuance of definitive, commemorative and special stamp issues and related activities such as exhibitions, the public postal licensee shall foster fairness amongst all interested parties such as stamp collectors. (4) All definitive stamp issues shall(a) run for between five and ten years; (b) concern subject matters approved by the Commission; (c) bear face values to be chosen by the public postal licensee; and (d) be issued once every five years. (5) All commemorative stamps shall be issued not less than six times but not more than six times annually and shall(a) concern a subject matter approved by the Commission; and, (b) bear face values to be chosen by the public postal licensee. (4) Failure to comply with this regulation shall constitute an offence punishable by a fine of not less than six thousand shillings. 62