Supply Forecasting & Notice of Shipment (NOS) Verification Procedures - Section 10
10.0 Verification of Initial Supply to Upstream and Downstream Facilities
After verifying the available supply and Capacity available to fulfil each Shippers' Initial Notice of Shipment delivery requirements, each Facility Operator connected to a downstream Facility Operator shall confirm volume and Shipper information with the upstream and downstream Facility Operators.