2. The Secretary-General of the United Nations shall convene the Conference of the States Parties not later than one year following the entry into force of this Convention. Thereafter, regular meetings of the Conference of the States Parties shall be held in accordance with the rules of procedure adopted by the Conference. 3. The Conference of the States Parties shall adopt rules of procedure and rules governing the functioning of the activities set forth in this article, including rules concerning the admission and participation of observers, and the payment of expenses incurred in carrying out those activities. 4. The Conference of the States Parties shall agree upon activities, procedures and methods of work to achieve the objectives set forth in paragraph 1 of this article, including: (a) Facilitating activities by States Parties under articles 60 and 62 and chapters II to V of this Convention, including by encouraging the mobilization of voluntary contributions; (b) Facilitating the exchange of information among States Parties on patterns and trends in corruption and on successful practices for preventing and combating it and for the return of proceeds of crime, through, inter alia, the publication of relevant information as mentioned in this article; (c) Cooperating with relevant international and regional organizations and mechanisms and non-governmental organizations; (d) Making appropriate use of relevant information produced by other international and regional mechanisms for combating and preventing corruption in order to avoid unnecessary duplication of work; (e) Reviewing periodically the implementation of this Convention by its States Parties; (f) Making recommendations to improve this Convention and its implementation; (g) Taking note of the technical assistance requirements of States Parties with regard to the implementation of this Convention and recommending any action it may deem necessary in that respect. 5. For the purpose of paragraph 4 of this article, the Conference of the States Parties shall acquire the necessary knowledge of the measures taken by States Parties in implementing this Convention and the difficulties encountered by them in doing so through information provided by them and through such supplemental review mechanisms as may be established by the Conference of the States Parties. 52