Centerpoint Energy - Mississippi River

Third Revised Volume No. 1

Effective Date: 11/01/1993, Docket: RS92- 43-006, Status: Effective

Original Sheet No. 64 Original Sheet No. 64 : Superseded

RATE SCHEDULE USAS

UNBUNDLED SALES AND AGENCY SERVICES

(Continued)

3. CURTAILMENT (Continued)

3.6 Notwithstanding any other provision in this section, MRT's

merchant division shall not be obligated to deliver to any Customer

volumes of natural gas in excess of its maximum delivery obligation

pursuant to its contract with that Customer.

3.7 Before service commences, when the character of gas usage

materially changes, and from time to time upon request, each Customer

shall furnish MRT's merchant division with all information reasonably

required by MRT's merchant division with regard to gas usage at the

facility served to assist MRT's merchant division in its determination

of the proportionate parts, if any, of that usage which may fall in

different priority categories. In determining the appropriate priority

category for gas sold, no distinction will be made between gas sold to

direct Customers and to resale Customers. End-use for Customers with

underground storage facilities shall reflect that net storage injection

requirements in any month in which storage injections exceed storage

withdrawals shall be allocated to all priorities of use in accordance

with the percentage of requirements served by storage withdrawals in

each of such categories in the months when storage withdrawals exceed

storage injections.

3.8 Emergency Situations

(a) MRT's merchant division shall have the right to adjust

curtailments made pursuant to the foregoing provisions to the

extent necessary to respond to emergency situations (including

environmental emergencies) during periods of curtailment where

supplemental deliveries are required to forestall irreparable

injury to life or property or provide minimum plant protection

when a plant is shut down; provided, however, that when

supplemental deliveries are made to any Customer pursuant to this

subsection, MRT's merchant division and the Customer shall balance