(a) A common carrier shall exchange crude petroleum tonnage with each like common carrier.
(b) When a necessity exists, the commission may require connections and facilities for the interchange of crude petroleum tonnage to be made at every locality reached by both pipelines, subject to the rules and rates made by the commission.
(c) A common carrier pipeline under like rules shall be required to install and maintain facilities for the receipt and delivery of crude petroleum of patrons at all points on the pipeline.