(a) intervene in negotiations on agreements for interconnection where no agreement is reached between the negotiating parties within six weeks of the commencement of the negotiations; or (b) set time limits within which negotiations on interconnection are to be completed, which time limits shall not exceed six weeks unless the Commission considers that a longer period is necessary. (10) The Commission may from time to time issue technical, costing and other relevant guidelines to guide licensees in negotiating interconnection agreements. (11) Where a telecommunications service licensee— (a) enters into an interconnection agreement with another telecommunications licensee, the Commission may review the agreement to ensure that it conforms with the Act, Regulations and any guidelines on interconnection of telecommunications networks issued by the Commission; or (b) has not interconnected its facilities upon request by another licensee, the Commission shall require the licensee concerned to interconnect its facilities in order to protect essential public interests and may set the terms and conditions of the interconnection. 6. Approval of Interconnection Agreements. (1) Parties to an interconnection agreement shall file with the Commission an application for approval of the proposed interconnection agreement at least fourteen days before the date of implementation of the interconnection agreement. (2) Parties to an interconnection agreement shall file with the Commission an application for approval of the renewal or extension of an existing interconnection agreement at least fourteen days prior to the expiry of the agreement. (3) The Commission may request for information from the parties to an interconnection agreement that it considers necessary to evaluate the terms and conditions and the charges set forth in the agreement, and request that the interconnection agreement be modified in the manner specified by the Commission, in writing.