Any interested party may submit, in writing to the Department, within 60 days from the date of publication, and according to the conditions prescribed by the Regulations, a motivated opposition to the registration of the mark. The Department shall then send a copy of the opposition to the applicant, within 30 days from the receipt of such a notification. The applicant shall, within 30 days from the receipt of notification, provide the Department with his motivated written reply to the opposition, failing which he would be considered to have withdrawn his application. The Regulations shall prescribe the rules and procedures in this regard. Article 81 The Department shall, after hearing both parties, motivate its decision on the opposition, to accept or reject the registration. In its decision of acceptance, it may require the applicant to fulfill any requirements it may deem necessary to register the mark. Article 82 The decision of the Department referred to in Article 81 may be appealed before the competent Administrative Court, in accordance with the procedures and time limits provided for in the law governing the Council of State. Article 83 The registration of a mark is approved by a decision of the Department and shall be published, in the manner prescribed by the Regulations, in the Trademarks and Industrial Designs Gazette. Registration will take effect from the date of filing the application. Article 84 The Department shall deliver to the owner of the registered mark a certificate containing the information published in the aforementioned Gazette. Article 85 The owner of a registered mark may request the Department, in writing, to introduce any modifications that do not essentially affect the substance of the mark. He may also request a modification by deletion without any concomitant addition to the statement of products covered by the mark. 36