Requests the Executive Director of the Counter-Terrorism Committee Executive Directorate, within 60 days of the adoption of this resolution and in consultation with Council members, to recommend such changes as he deems appropriate to the organizational plan referred to in paragraph 4 of resolution 1535 (2004), and to submit them to the Counter-Terrorism Committee for its consideration and endorsement prior to the expiration of the period referred to in paragraph 1 of this resolution;