Trunkline Gas Company

First Revised Volume No. 1

Effective Date: 01/14/1999, Docket: RP99-182-000, Status: Effective

Sixth Revised Sheet No. 218 Sixth Revised Sheet No. 218 : Effective

Superseding: Fifth Revised Sheet No. 218

GENERAL TERMS AND CONDITIONS

(Continued)

21.ANNUAL CHARGE ADJUSTMENT PROVISION (ACA)

21.1 Purpose

Annual charges are assessed on Gas pipelines by the Commission

under Part 382 of the Commission's Regulations prior to each

fiscal year in order to cover the cost of the operation of the

FERC. For the purpose of recovering such charges assessed

Trunkline by the Commission, pursuant to Section 154.402 of the

Commission's Regulations, an ACA Surcharge shall be applicable to

Quantities transported under Trunkline's Rate Schedules FT, SST,

EFT, QNT, LFT, FFZ, IT and QNIT and those Rate Schedules as

indicated in each applicable Rate Schedule of Trunkline's FERC Gas

Tariff, Original Volume No. 2. This ACA Surcharge is in addition

to any amounts otherwise payable to Trunkline under said Rate

Schedules.

21.2 Basis of the ACA Unit Charge Rate

The ACA Unit Charge Rate shall be that increment, adjusted to

Trunkline's measurement base (Dekatherm) and pressure base, if

required, which has been approved by valid Commission Orders

approving an annual charge unit rate. The ACA Unit Charge Rate

shall be stated on the effective Tariff Sheet Nos. 6, 7, 8, 9, 9A,

9B, 10, and 10A and the applicable Tariff Sheets in Volume No. 2.

21.3 Filing Procedure

The ACA Surcharge or any subsequent changes in such surcharge

shall be filed by Trunkline at least thirty (30) days prior to the

proposed effective date unless for good cause shown a lesser

notice period is allowed by valid Commission orders or the

establishment by the Commission of the annual charge unit rate for

a particular fiscal year prohibits Trunkline from making a timely

filing. The proposed effective date of filings pursuant to this

subsection shall be the effective date prescribed by the

Commission. Such filing shall not become effective unless it

becomes effective without suspension or refund obligation.

21.4 Payment by Shipper

The amount of applicable Shipper's ACA Surcharge shall be due and

payable with the bill for the Month for each such Shipper.