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OFC. OF Tye SECRETARIAT
Via E-Mail

Office of the Secretariat

Commodity Futures Trading Commission
Three Lafayette Centre

1155 21st Street, N.W.

Washington, D.C. 20581

Re: Rule Certification. NYMEX Submission 05.137: Notification of
Amendment to NYMEX Rule 6.40B, Trading at Settlement (Pilot
Program).

Dear Ms. Jean Webb:

The New York Mercantile Exchange ("NYMEX" or the "Exchange") is notifying the
Commodity Futures Trading Commission (“CFTC” or “Commission”) of an amendment to
NYMEX Rule 6.40B, Trading at Settlement (Pilot Program).

On August 3, 2005, the NYMEX Board of Directors voted to extend the Trading at
Settlement (TAS) Pilot Program for Heating Oil and Unleaded Gasoline until further notice,
effective August 8, 2005. Pursuant to Section 5c(c) of the Commodity Exchange Act (“Act”)
and CFTC Rule 40.6, the Exchange hereby certifies that the attached rule amendment complies
with the Act, including regulations under the Act.

Should you have any questions concerning the above, please contact Nancy Minett, Vice
President, Compliance, at (212) 299-2940.

Very truly yours,

Nancy M. Minett
Vice President
Compliance Department

cc: Brian Regan
Thomas LaSala



(Underlining in bold indicates additions; strikethroughs in bold indicate deletions.)
NYMEX Rule 6.40B, Trading at Settlement (Pilot Program)

(A) Trading at Settlement Procedure. A floor member may enter into a transaction at the
settlement price through open outcry with another floor member in any futures contract and
delivery month specified in Section (C) of this rule. Any such trade (collectively referred to as a
trading at settlement or "TAS") shall be made by open outcry no later than 2:30 p.m. New York
Time (except in Heating Oil where such trades shall be made by open outcry no later than one
hour prior to the end of the Regular Trading Hours session for that trading day) or such other
time as designated by the Board on that same trading day in the trading ring designated for
trading in the particular contract.

(B) Prohibition on TAS Cross Trades. A Floor Member who has in hand buy and sell TAS orders
of different principals for the same eligible commodity for future delivery in the same eligible
delivery month shall not execute such orders directly between such principals. This prohibition
does not apply to Brent Crude Oil and Gasoil futures contracts.

(C) Reporting and Recordation. All TAS transactions shall be identified as such on the executing
member's trading records prepared in accordance with Rule 6.10 ("Reporting of Trades Executed
on the Trading Floor").

(D) Transactions Eligible for Board Approval For Trading at Settlement Procedures.

The Board may, by resolution, authorize the execution of transactions in any or all of the futures
contracts and delivery months specified below pursuant to the TAS order procedures set forth in
this Rule 6.40B.

Futures Contract Delivery Month

Light Sweet Crude Oil Spot Month (except on the last trading day)

Brent Crude Oil Spot Month

And also Second Nearby Month (e.g., calendar month following the Spot Month)
Heating Oil Spot Month (except on the last trading day)

Natural Gas Spot Month (except on the last trading day)

Unleaded Gasoline Spot Month (except on the last trading day)

Gasoil Spot Month and Second Nearby Month

(E) This pilot program shall expire on the following dates:

Futures Contract Expiration Date

Light Sweet Crude Oil Extended until further notice

Brent Crude Oil Extended until further notice

Heating Oil August 8, 2005 Extended until further notice
Natural Gas Extended until further notice

Unleaded Gasoline August8,2005 Extended until further notice

Gasoil Extended until further notice