2.2 The Agency shall submit to the Client a media plan in respect of the performance of the Services (the “Media Plan”) within the Territory for approval. The Client may, at its own discretion, approve such Media Plan or demand the Agency to further revise the Media Plan in accordance with its instructions. The notices from the Client to approve or revise the Media Plan shall be given to the Agency in writing accompanied with documents duly certifying the proper authorization of the person issuing such notices within fifteen (15) days after the Client receives the Media Plan. Any subsequent amendments to the approved Media Plan shall be approved or revised in accordance with the methods provided in this Article 2.2.