Gulf States Transmission Corporation

Original Volume No. 1

Effective Date: 12/01/2008, Docket: RP09-60-000, Status: Effective

Second Revised Sheet No. 53 Second Revised Sheet No. 53

Superseding: First Revised Sheet No. 53

GENERAL TERMS AND CONDITIONS

(Continued)

15. SERVICE NOMINATIONS AND ALLOCATION OF AVAILABLE CAPACITY

(Continued)

15.2 Monthly Allocation of Capacity (Continued)

Prior to effecting such allocations or curtailments, Transporter will afford

those Shippers who are paying a discounted interruptible rate the opportunity

to match the rate paid by other interruptible Shippers. Subject to the

foregoing, capacity will be allocated on a pro rata basis among those

interruptible Shippers paying the same rate.

(d) Adding receipt point(s) or delivery point(s) to or increasing

the total maximum daily quantity of existing transportation arrangements shall

be considered new agreements for purposes of determining priority of service.

(e) Substitution of new gas suppliers at a point of receipt under an

existing transportation arrangement (without increasing the maximum daily

quantity to be received at such point of receipt) will not be considered a new

transaction for priority purposes.

(f) Transporter agrees to furnish to any Shipper requesting same at

Transporter's corporate office during reasonable business hours, sufficient

information to demonstrate the manner in which the monthly set-up and

determinations and allocations of capacity have been made under this Section

15.

(g) Pre-Determined Allocation data elements shall be standardized.

(h) Two welded parties shall agree on who submits a pre-determined

allocation methodology and who allocates at the point before gas flows.

(i) Only one PDA allocation methodology shall be applied per

allocation period.

(j) The upstream or downstream party providing the point confirmation

shall submit the pre-determined allocation to the Transporter after or during

confirmation and before start of gas day.

(k) Transporter shall send back "confirmation" of receipt of the pre-

determined allocation within 15 minutes.

(l) There is no need to submit pre-determined allocations if a

transportation service provider has an OBA in effect for a point.