Westgas Interstate, Inc.
First Revised Volume No. 1
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Effective Date: 09/01/2005, Docket: RP05-478-000, Status: Effective
Third Revised Sheet No. 46B Third Revised Sheet No. 46B : Effective
Superseding: Second Revised Sheet No. 46B
GENERAL TERMS AND CONDITIONS
(c) Two welded parties should agree on who submits a
pre-determined allocation methodology and who
allocates at the point before gas flows. The types of
allocation methodologies is a list from which two
parties may agree. If the two parties cannot agree
upon an allocation methodology, pro rata based upon
confirmed nominations shall be used as the default
method. The party responsible for custody transfer
(the party performing the measurement function)
should provide the allocation.
7.4 At a location, the total quantity measured or
estimated for the period should be used to provide
allocations to parties’ scheduled transactions (or
otherwise identified transactions consistent with 7.4(g).
(a) In the allocation process, estimated quantities
should be adjusted to actuals following the time that
the actual quantities are known.
(b) At a location, which is not covered by an
Operational Balancing Agreement(OBA), an Allocating
Party should receive Pre-determined Allocations and
calculate the allocations for the location and
provide these allocations to the appropriate parties
for their use.
(c) At a location which is not covered by an OBA, a
party which is not the allocating party at the
location should receive and process the allocations
from the allocating party and employ such allocations
when providing allocation information to its parties
(as applicable and appropriate).
(d) At a location, which is covered by an OBA, each
party to the OBA should allocate its side of the
(e) At a location which is not covered by an OBA,
Transporter which allocate to Shipper at the
Shipper’s contract level or higher are not required
to allocate to a lower level or accept accounting
allocation instructions from the Shipper (ie, neither
Pre-determined Allocations (PDAs) nor Shipper ranks
supplied in the nomination).