[ c) d) e) f) REPUBLIC OF ANGOLA for non-payment of fees; where the mark has not been used in consecutive years, with the exception of cases of duly proven force majeure; where the mark has been subjected to alterations that prejudice its identity; where it is established that a new registration has been granted for the purpose of the addition or substitution of products. Article 40 (Nullity of registrations) The registration of a mark that contravenes the provisions of this law shall be null and void. CHAPTER V Awards Article 41 (Ownership of awards) 1. For the purposes of this Law, awards shall mean nominative, figurative or emblematic signs granted, in Angola or abroad, to industrialists, traders and other producers and businessmen as a way of expressing a commendation or preference for their products or services. 2. Awards shall belong to those who receive them and cannot be applied to products or services different from those for which they have been conferred. Article 42 (Effects of registration) 1. The registration of an award shall guarantee the veracity and authenticity of its holders and shall assure them of their right to ownership and exclusive use for an indefinite period. 2. Unregistered awards cannot be added to any mark, or to the name or emblem of an establishment. Article 43 (Registration applications) 1. In addition to the name, business name, nationality, occupation and address of the applicant, award registration applications must indicate the following: