Reliant Energy Gas Transmission Company

Fifth Revised Volume No. 1

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Effective Date: 09/20/1999, Docket: RP99-473-000, Status: Effective

First Revised Sheet No. 531 First Revised Sheet No. 531 : Effective

Superseding: Original Sheet No. 531

EXHIBIT ___

ELECTRONIC DATA INTERCHANGE TRADING PARTNER AGREEMENT

DATED ___________________

TO BE EFFECTIVE ____________________ (date)

1. Contact Information:

Company Name: ___________________________________________________________

Street Address: _________________________________________________________

City: ____________________________________________________________________

State/Province/Commonwealth: ____________________________________________

Zip/Postal Code: ________________________________________________________

Attention [Name, Title]:__________________________________________________

Phone: ________________Fax: _______________E-mail Address: ______________

Legal Entity Common Code (D-U-N-S (Number): ______________________________

Company Name: ___________________________________________________________

Street Address: _________________________________________________________

City: ____________________________________________________________________

State/Province/Commonwealth: ____________________________________________

Zip/Postal Code: ________________________________________________________

Attention [Name, Title]:__________________________________________________

Phone: ________________Fax: _______________E-mail Address: ______________

Legal Entity Common Code (D-U-N-S (Number): ______________________________

2. Special Allocation Costs if Any: _________________________________________

_________________

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