August 4, 2006

BY EMAIL AND FACSIMILE

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 06.94: Notification of
Rule Amendment to the Rule 6.40B Related to Extending the Hours for
Trading at Settlement in the Heating Oil Futures Contract.

Dear CFTC Commissioners:

The New York Mercantile Exchange, Inc. ("NYMEX" or the "Exchange") is notifying
the Commodity Futures Trading Commission (“CFTC” or “Commission”) of a rule amendment
to Rule 6.40B to extend the trading hours for executing Trading at Settlement (TAS) in Heating
Oil. This change became effective beginning on July 17, 2006.

Pursuant to Section Sc(c) of the Commodity Exchange Act (“Act”) and CFTC
Rule 40.6, the Exchange hereby certifies that the attached rule amendments comply with the Act,
including regulations under the Act. Should you have any questions concerning the above,
please contact Dan Brusstar, Director, Research, at (212) 299-2604; or the undersigned at (212)
299-2390.

Very truly yours,

Robert A. Levin
Senior Vice President, Research

Attachment: Rule Amendment below



Approved Rule Amendments
(Underlining indicates insertion, and strikethrough indicates deletion)

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 (exeept+ ine Oil awh Htrades-shall bemade

forthattrading- 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)

RBOB 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 Extended until further notice
Natural Gas Extended until further notice
Unleaded Gasoline Extended until further notice
RBOB Gasoline Extended until further notice

Gasoil Extended until further notice