52 Pa. Code § 60.4 – Rebuttable presumptions.

(a) There shall be a rebuttable presumption in the rate proceeding of a natural gas utility governed by 66 Pa.C.S. § 1308 (relating to voluntary changes in rates) that additional fixed costs may not be recovered from remaining retail customers due to retail customers’ use of transportation service.
(b) There shall be a rebuttable presumption in a proceeding governed by 66 Pa.C.S. § 1307 (relating to sliding scale of rates; adjustments) that natural gas supply fixed costs relating to transportation customers may not be recovered from sale customers.
(c) In determining the natural gas utility’s ability to serve a transportation customer, there is a rebuttable presumption that sufficient capacity in the utility system exists.

This section cited in 52 Pa. Code § 60.9 (relating to effective date).