Mississippi River Transmission Corp.

Third Revised Volume No. 1

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Effective Date: 05/01/1997, Docket: RP97- 73-002, Status: Effective

Original Sheet No. 114A Original Sheet No. 114A : Superseded









(f) The allocating party should send back "confirmation" of

receipt of the PDA within 15 minutes.


(g) There are two types of allocations: daily and monthly.


(h) The same standard allocation methodologies should be

available for use at all points.


(i) The types of allocation methodologies are on a list from

which two parties may agree. If the two parties cannot agree upon an

allocation methodology, pro rata based upon confirmed nominations

(that are scheduled) should be used as the default method. The party

responsible for custody transfer (the party performing the

measurement function) should provide the allocation.


(j) MRT should accept GISB approved allocation methodology

types from the upstream or downstream custody transfer party who is

providing the point confirmation.


(k) When the allocation method is rank, swing or percentage,

a new allocation detail may be needed when a nomination changes.


7.14 Preliminary Allocations - Deliveries


The PDA methodology shall be utilized in making the preliminary

allocations to Customers, as set forth in Section 7.13 above, or as

otherwise agreed by MRT and the entity physically receiving the gas

deliveries. Deviations from the PDA methodologies provided MRT shall

only be allowed if all affected parties and MRT agree to the

alternate allocation order.


7.15 Actual Allocations - Deliveries


(a) The preliminary allocations, as adjusted, shall be the

actual allocations when the actual metered or allocated quantities

are invoiced.