Reliant Energy Gas Transmission Company

Fourth Revised Volume No. 1

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Effective Date: 11/01/1998, Docket: RP99- 68-000, Status: Effective

Fourth Revised Sheet No. 192 Fourth Revised Sheet No. 192 : Superseded

Superseding: Third Revised Sheet No. 192

GENERAL TERMS AND CONDITIONS

(continued)

Such nominations shall replace the

applicable original nominations in their

entirety. Transporter may, at its sole

discretion, reasonably exercised and in

a manner not unduly discriminatory,

receive, recognize and schedule revised

nominations received later than the

deadline provided above.

(iv) Intraday Nominations: Unless Transporter

agrees otherwise, until April 1, 1999, Shipper

shall be allowed to submit only one (1)

Intraday Nomination for or during a standard

nomination cycle (as specified in Section

5.2(a)(i) above) (excluding corrections of

errors identified in a Quick Response).

Thereafter, for services that provide for

Intraday Nominations and scheduling, there

will be no limitation as to the number of

Intraday Nominations (line items as per GISB

Standard 1.2.1) which a Shipper may submit at

any one standard nomination cycle or in total

across all nomination cycles. Transporter

shall use reasonable efforts, subject to

operational conditions, to implement proper

and valid Intraday Nominations other than at

the times specified above. Intraday

Nominations submitted by Shipper shall comply

with the requirements of (b) below, and may be

used to request changes to scheduled

quantities, including increases or decreases

in total flow, changes to Receipt Points, or

to nominate new supply. Transporter may, at

its sole discretion, reasonably exercised and

in a manner not unduly discriminatory,

receive, recognize, and schedule an Intraday

Nomination submitted later than the deadlines

provided above. The deadlines provided above

shall not apply to a Shipper under Rate

Schedule NNTS when an Intraday Nomination is

required due to a directive by Transporter to

Shipper.

(b) Required Information: Each receipt

nomination, revision thereto, or Intraday

Nomination shall be submitted in a form

acceptable to Transporter (Shipper may