When the Commission establishes a total allowable catch or total allowable fishing effort for any fishery resource pursuant to Article 20 paragraph 4 (a) (ii) or (iii), it may, with the express consent of the coastal State Contracting Party or Parties concerned, also take decisions regarding participation in fishing for that resource throughout its relevant range. In taking decisions under paragraph 2, the Commission shall take into account the historic catch and past and present fishing patterns and practices throughout the relevant range of the fisheiy resource concerned and the criteria listed in paragraph 1(b) - (j). Such preliminary conservation and management measures, which may include requirements regarding notification of intention to fish, the establishment of a development plan, mitigation measures to prevent adverse impacts on marine ecosystems, use of particular fishing gear, the presence of observers, the collection of data, and the conduct of research or exploratoiy fishing, shall be consistent with the objective and the conservation and management principles and approaches of this Convention.