the industrial property authority within a period not exceeding twelve months from the filing date. Article 10 The applicant may starting from the filing date and until the date of the publication of the mark according to article 9 of this law correct material errors contained in the filing documents pursuant to submitting a justified request and payment of fees to be determined by a ruling. Article 11 The application for registration may be opposed by: - The owner of a mark which, was previously registered or filed or which enjoys the priority right stipulated in article 18 of this law with respect to the registration of the mark. - The owner of a previous well-known mark. - The holder of an exclusive license provided that the contract does not stridulate otherwise. The opposition shall be submitted to the legal representative of the industrial property authority within the two months following the publication date of the application for registration according to the procedures to be determined by a ruling. Every opposition filed after the deadline, by a person not entitled to file it or not satisfying the formal requirements shall be rejected. Article 12 If the opposition satisfies the conditions stipulated in article 11 of this law, the industrial property authority shall try to reconcile the parties according to procedures to be determined by a ruling. Article 13 The industrial property authority shall establish a register to be called "the national register of marks". The means of recording in this register shall be determines by a ruling. Each mark which, has been legally registered by the industrial property authority shall be recorded in the register unless the application for registration has been rejected on withdrawn. The applicant shall be given a certificate of registration of the mark in return for the payment of a fee to be determined by a ruling. The registration shall be published in the official publication of the industrial property authority at a date not exceeding twelve months from the registration date. Others may not contest any text changing or assigning the rights associated with a mark unless it is recorded in the register. Recordal in the register is made subject to payment of a fee to be determined by a ruling.