W T G Hugoton, LP

Original Volume No. 1

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Effective Date: 08/01/2007, Docket: CP06- 90-002, Status: Effective

Original Sheet No. 273 Original Sheet No. 273 : Effective

GENERAL TERMS AND CONDITIONS

(d) Estimated Volumes - Actual annual volume determinants attributable

to services to which WTG Hugoton allocates or assigns GRO quantities for the

latest twelve month period, adjusted, where necessary, for known variations

from actual experience. Estimated Volumes will be determined separately for

each fuel zone as defined on Sheet No. 5.

(e) Deferral Period - The period of 12 months ending 2 months prior to

the effective date of a change in rates filed pursuant to this Section 42.

42.4 Determination of the Current FRP's

WTG Hugoton shall determine the Current FRP's for each Annual Period by

the following procedures. Separate calculations shall be made for each fuel

zone as defined on Sheet No. 5.:

(a) The Estimated GRO quantities shall be summed with the balance

accumulated at the end of the Deferral Period in the Deferred GRO Account as

determined in accordance with Section 42.5(d). Such resulting quantity shall

be allocated to or assigned among services in accordance with the allocation

methods and principles in effect on WTG Hugoton's system.

(b) The quantities determined in Section 42.4(a) above will be divided

by the Estimated Volume determinants, as defined in Section 42.3(d). The

product of this calculation will determine the Current FRPs for each fuel

zone.