Centerpoint Energy - Mississippi River

Third Revised Volume No. 1

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Effective Date: 12/01/2002, Docket: RP03- 51-000, Status: Effective

Seventh Revised Sheet No. 120 Seventh Revised Sheet No. 120 : Effective

Superseding: Sixth Revised Sheet No. 120

GENERAL TERMS AND CONDITIONS

(Continued)

8. NOMINATIONS, SCHEDULING, AND CURTAILMENT (Continued)

(i) MRT provides the following standard nomination cycles (all times

CT):

(A) Timely Nomination Cycle: The standard nominations timeline

should be as follows: 11:30 a.m. for nominations leaving

control of the nominating party; 11:45 a.m. for receipt of

nominations by MRT (including from TTTSPs), noon for quick

response; 3:30 p.m. for receipt of completed confirmations

by MRT from upstream and downstream connected parties; 4:30

p.m.for receipt of scheduled quantities by Customer and

point operator (central clock time on the day prior to

flow).

(B) Evening Nomination Cycle: On the day prior to flow: 6:00

p.m. for nominations leaving control of the nominating

party; 6:15 p.m. for receipt of nominations by MRT

(including from TTTSPs); 6:30 p.m. to send quick response;

9:00 p.m. for receipt of completed confirmations by MRT from

upstream and downstream connected parties; 10:00 p.m. for

MRT to provide (which, for purposes of this Section

8.1(f),shall mean, for electronic data interchange

transmittals pursuant to NAESB Standards 1.4.x, receipt at

the designated site, and for other forms of transmittal, to

send or post) scheduled quantities to affected Customers and

point operators, including notice to bumped Customers.

Scheduled quantities resulting from a nomination pursuant to

this Section 8.1(f)(i)(B) will be effective at 9:00 a.m. on

the day of flow.

for nominations leaving control of the nominating party;

10:15 a.m. for receipt of nominations by MRT (including from

TTTSPs); 10:30 a.m. to send quick response; 1:00 p.m. for

receipt of completed confirmations by MRT from upstream and

downstream connected parties; 2:00 p.m. for MRT to provide

scheduled quantities to affected Customers and point

operators, including notice to bumped Customers. Scheduled

quantities resulting from intraday nominations pursuant to

this Section 8.1(f)(i)(C) will be effective at 5:00 p.m. on

the day of flow.

(D) Intraday 2 Nomination Cycle: On the day of flow: 5:00 p.m.

for nominations leaving control of the nominating party;

5:15 p.m. for receipt of nominations by MRT (including from

TTTSPs); 5:30 p.m. to send quick response; 8:00 p.m. for

receipt of completed confirmation by MRT from upstream and

downstream connected parties; 9:00 p.m. for MRT to provide

scheduled quantities to affected Customers and point

operators. Scheduled quantities resulting from Intraday 2

Nominations will be effective at 9:00 p.m. on the day of

flow. Bumping shall not occur due to intraday nominations

pursuant to this Section 8.1(f)(i)(D).