Article 54: Amendment and invalidation of an ex officio compulsory license At the request of the State department or the third party authorized to use the patented invention, if one or both wish to be heard, the Government may, after the empowered authority has heard the parties, amend the terms of the decision authorizing use of the patented invention, insofar as a change of circumstances justifies such an amendment. The Government shall terminate the authorization, after the empowered authority has heard the parties, if one or both of them wish to be heard, where it is satisfied that the circumstances which led it to take its decision have ceased to exist and will most probably not reoccur, or that the State department or third party appointed by it has not respected the terms of the decision. Notwithstanding paragraph (2) of this article, the Government shall not terminate the authorization where it is satisfied that the retention of the decision is justified. Article 55: Rights on ex officio compulsory license The authorization by the government shall not exclude the conclusion of license contracts by the patent owner or the continuation of the exercise, by the patent owner, of his rights under article 37 of this Law or ex officio compulsory license. Where a third party has been appointed by the Government, the authorization may be transferred only to the company or business of this person, or to the part of the company or business within which the patented invention is used. The decisions taken by the Government under this article may be subject to appeal in the competent tribunal. CHAPTER II: UTILITY MODEL CERTIFICATES SECTION ONE: PROTECTION REQUIREMENTS OF UTILITY MODEL Article 56: Utility model certificate suitable for protection An innovation shall satisfy the requirements for a utility model certificate, provided that: 1° it is new; and 2° it is industrially applicable. Article 57: Novelty of utility model An innovation shall be new, if it is not anticipated by the prior art. The level of technical knowhow shall consist of everything that has been disclosed, anywhere in the world, by publication in tangible form, by oral disclosure, by use of utility model or in