Provider Reference Infrastructure Sharing Offer ______________________________________________________________________ 4. Chargeable Service Activities The applicable charges for the Services described in this Annex are contained in the Price List contained at Annex D. 4.1. Provision of Dark Fiber Service Subject to availability, dark fiber service will be provided at location(s) and route(s) listed in Annex J. 4.2. Removal of Dark Fiber Service Removal of Dark Fiber Service takes place when an Infrastructure Seeker using a Dark Fiber Service requests a discontinuation of that Dark Fiber Service. The removal of the Dark Fiber Service involves the disconnection of the Infrastructure Seeker’s equipment from the ODF terminating the dark fiber. 4.3. Fiber Testing Resulting in “Fault not Found” If a fault is reported by an Infrastructure Seeker regarding a Dark Fiber Service and when that Fiber is tested by Provider and the Fiber is found to meet, or exceed, the Fiber specifications (detailed in Annex G), a “Fault Not Found” would be deemed as the result. In that case, the Provider can charge the Infrastructure Seeker for the Fiber test according to Price List at Annex D. 4.4. Cancellation of an Application for Dark Fiber Service If at any stage in the process to provide a Dark Fiber Service, an Infrastructure Seeker withdraws its application for such Service, the Infrastructure Seeker will be charged the full installation charge for the Service originally requested and/or additionally approved by the Infrastructure Seeker later during the provisioning process, as indicated in the Price List Annex at Annex D of this Agreement. 4.5. Optical Fiber Unless otherwise agreed, the Fiber provided by Provider shall be single mode Fiber, installed and operating in conformity with generally accepted standards utilized by Provider for its own Network. 5. Interference Any equipment installed by the Infrastructure Seeker must not interfere with equipment of the Provider or any other party operating equipment at the Provider’s site. It is the responsibility of the Infrastructure Seeker to comply with the specifications for associated telecommunications equipment and cables that are specified in the Dark Fiber Service Technical Description in Annex G of this Agreement. DATE Page 3