EXHIBIT 99.4

GUIDELINES FOR CERTIFICATION OF TAXPAYER IDENTIFICATION

NUMBER ON SUBSTITUTE FORM W-9

(SECTION REFERENCES ARE TO THE

INTERNAL REVENUE CODE OF 1986, AS AMENDED)

Guidelines for Determining the Proper Identification Number to Give the Payor. — Social Security numbers have nine digits separated by two hyphens: i.e., 000-00-0000. Employer identification numbers have nine digits separated by only one hyphen: i.e., 00-0000000. The table below will help determine the number to give the payor.

		Give the SOCIAL
		SECURITY number
For this type of account:		of —
1.	An individual’s account	The Individual
2.	Two or more individuals (joint account)	The actual owner of the account or, if combined funds, the first individual on the account(1)
3.	Husband and wife (joint account)	The actual owner of the account or, if joint funds, either person(1)
4.	Custodian account of a minor (Uniform Gift to Minors Act)	The minor(2)
5.	Adult and minor (joint account)	The adult or, if the minor is the only contributor, the minor(1)
6.	Account in the name of guardian or committee for a designated ward, minor, or incompetent person	The ward, minor, or incompetent person(3)
7.	a. The usual revocable savings trust account (grantor is also in the name of a public trustee)	The grantor-trustee(1)
	b. So-called trust account that is not a legal or valid trust under State Law	The actual owner(1)
8.	Sole proprietorship account	The owner(4)

For this type of account:		Give the EMPLOYER IDENTIFICATION number of —
9.	A valid trust, estate, or pension trust	The legal entity (Do not furnish the identifying number of the personal representative or trustee unless the legal entity itself is not designated in the account title)(5)
10.	Corporate account	The corporation
11.	Religious, charitable, or educational organization account	The organization
12.	Partnership account held in the name of the business	The partnership
13.	Association, club, or other tax-exempt organization	The organization
14.	A broker or registered nominee	The broker or nominee
15.	Account with the Department of Agriculture in the name of a public entity such as a state or local government, school district or prison) that receives agricultural program payments	The public entity

(1) List first and circle the name of the person whose number you furnish.

(2) Circle the minor’s name and furnish the minor’s social security number.

(3) Circle the ward’s, minor’s or incompetent person’s name and furnish such person’s social security number.

(4) Show the name of the owner.

(5) List first and circle the name of the legal trust, estate or pension trust.

Note:     If no name is circled when there is more than one name listed, the number will be considered to be that of the first name listed.

GUIDELINES FOR CERTIFICATION OF TAXPAYER IDENTIFICATION

NUMBER ON SUBSTITUTE FORM W-9

Obtaining a Number

If you do not have a taxpayer identification number, or you do not know your number, obtain Form SS-5, Application for a Social Security Number Card, or Form SS-4, Application for Employer Identification Number, at the local office of the Social Security Administration or the Internal Revenue Service and apply for a number.

Payees Exempt from Backup Withholding

Payees specifically exempted from backup withholding on ALL payments include the following:

•  A corporation.

•  A financial institution.

•  An organization exempt from tax under section 501(a), an individual retirement plan or a custodial account under Section 403(b)(7).

•  The United States or any agency or instrumentality thereof.

•  A registered dealer in securities or commodities registered in the U.S. or a possession of the U. S.

•  A real estate investment trust.

•  A common trust fund operated by a bank under section 584(a).

•  An exempt charitable remainder trust, or a non-exempt trust described in section 4947(a)(l).

•  An entity registered at all times under the Investment Company Act of 1940.

•  A foreign central bank of issue.

Payments Not Generally Subject to Backup Withholding

Payments of dividends and patronage dividends not generally subject to backup withholding include the following:

•  Payments to nonresident aliens subject to withholding under section 1441.

•  Payments to partnerships not engaged in a trade or business in the United States and that have at least one nonresident alien partner.

•  Payments of patronage dividends where the amount received is not paid in money.

•  Payments made by certain foreign organizations.

Payments of interest not generally subject to backup withholding include the following:

•  Payments of interest on obligations issued by individuals. Note: You may be subject to backup withholding if this interest is $600 or more and is paid in the course of the payor’s trade of business and you have not provided your correct taxpayer identification number to the payor.

•  Payments of tax-exempt interest (including exempt-interest dividends under section 852).

•  Payments described in section 6049(b)(5) to nonresident aliens.

•  Payments on tax-free covenant bonds under section 1451.

•  Payments made by certain foreign organizations.

•  Payments made to a nominee.