Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 08/01/2004, Docket: RP04-377-000, Status: Effective

Twelfth Revised Sheet No. 2 Twelfth Revised Sheet No. 2 : Effective

Superseding: Eleventh Revised Sheet No. 2

Table of Contents

Description Sheet No.

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19. Billings 283

20. Taxes 284

21. Payments 285

22. Insolvency/Performance Provision 289

23. Possession of Gas 289

24. Pipeline Service Obligations 290

25. Odorization 293

26. Force Majeure 294

27. Warranty 295

28. Indemnification 295

29. Notices 296

30. Assignment 296

31. Non-Waiver and Future Default 296

32. Joint Obligations 297

33. Applications for Authority and Certificates

of Public Convenience and Necessity 297

34. Attribution of Costs 297

35. Schedules and Agreements Subject to Regulation 298

36. Take-or-Pay Buyout and Buydown Cost Recovery

Mechanism (Pre-November 1990 Filings) 298

37. Take-or-Pay Buyout and Buydown Cost Recovery

Mechanism (Post-November 1990 Filings) 309

38. Fuel Reimbursement Adjustment Provision 322

39. Transition Cost Recovery Mechanisms 342

40. Reserved for Future Use 360

41. FERC Annual Charge Adjustment Provision 362

42. Inconsistencies 363

43. Incorporation in Rate Schedules and Gas

Service Agreements 363

44. Allocation of Capacity to Converting Sales

Customers 363

45. Reserved for Future Use 365

46. Lateral Pipeline Policy 368

47. NAESB Definitions, Standards and Data Dictionary

Standards Adopted by Reference 371

48. Pooling Service 373

49. Nomination Aggregation Service 381

50. Segmentation of Capacity 383

51. Negotiated Rates 387