Trans-Union Interstate Pipeline, L.P.

Original Volume No. 1

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Effective Date: 02/07/2006, Docket: RP06-217-000, Status: Effective

Original Sheet No. 115 Original Sheet No. 115 : Effective

6. PRIORITY OF SERVICE AND CURTAILMENT

6.1 Transporter shall have the right to curtail or discontinue

services, in

whole or in part, on all or a portion of its system at any time

for reasons of

Force Majeure or when, in Transporter's sole discretion, capacity

or operating

conditions so require. Transporter shall provide Shipper such

notice of such

curtailment as is reasonable under the circumstances. Routine

repair and

maintenance is not deemed an emergency situation or an unexpected

loss of

capacity and will be scheduled by Transporter in a manner to

avoid, wherever

possible, the disruption of confirmed service.

6.2 If due to any cause whatsoever Transporter is unable on any

day to

deliver the quantities of Gas Shippers would have received if

such disability

did not exist, then Transporter shall order curtailment by all

Shippers

affected in the following manner to the extent necessary to

remove the effect

of the disability. In effecting a curtailment, Transporter may,

at its

discretion, allow lower priority Gas to remain flowing in any

instance where

that would result in a lesser impact on the curtailment of higher

priority Gas

than would otherwise occur. In all other instances, curtailment

shall be:

(a) first, Interruptible Service under the IT Rate Schedule,

curtailed by

price from lowest to highest, except curtailment will be pro rata

on nominated

quantities among Shippers paying the same rate, and recognizing

that Shippers

paying the maximum rate will be curtailed last;

(b) second, firm service provided pursuant to the FT Rate

Schedule.

Transporter shall curtail on a pro rata basis on nominated

quantities among

all Shippers receiving this service.

7. SCHEDULING

7.1 Transporter shall schedule all transportation quantities in

accordance

with the following priorities.

(a) Firm Transportation quantities within Shipper's Contracted

Capacity

under Rate Schedule FT, pro rata based on each Shipper's

Contracted Capacity;

provided a Shipper's scheduled quantity shall not exceed such

Shipper's

nomination;

(b) Interruptible service provided pursuant to the IT Schedule,

by price

from highest to lowest, except scheduling will be pro rata based

on nominated

quantities among Shippers paying the same rate.