SEC FORM 3 SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
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1. Name and Address of Reporting Person*
BRISKMAN LOUIS J

(Last) (First) (Middle)
51 WEST 52ND STREET

(Street)
NEW YORK NY 10019

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
12/31/2005
3. Issuer Name and Ticker or Trading Symbol
CBS CORP [ CBS, CBS.A ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
EVP and General Counsel
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
CBS Class B common stock 9,097 D
CBS Class B common stock 1,451 I By 401(k)
CBS Class B common stock 2,784 I By Hill's End Partners, L.P.(1)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Class B Phantom Common Stock Units (2) (2) CBS Class B common stock 43 (2) D
Employee Stock Option (right to buy)(3) (4) 01/28/2007 CBS Class B common stock 215,083 13.4283 D
Employee Stock option (right to buy)(3) (4) 01/26/2008 CBS Class B common stock 124,531 21.5716 D
Employee Stock Option (right to buy)(3) (4) 01/26/2009 CBS Class B common stock 138,168 24.7362 D
Employee Stock Option (right to buy)(3) (4) 03/31/2009 CBS Class B common stock 1,551 28.9924 D
Employee Stock Option (right to buy)(3) (4) 01/25/2010 CBS Class B common stock 207,252 44.1875 D
Employee Stock Option (right to buy)(3) (4) 04/01/2010 CBS Class B common stock 1,339 41.0464 D
Employee Stock Option (right to buy)(3) (4) 01/31/2011 CBS Class B common stock 89,140 43.3473 D
Employee Stock Option (right to buy)(3) (4) 04/01/2011 CBS Class B common stock 1,622 33.8965 D
Employee Stock Option (right to buy)(3) (4) 01/28/2007 CBS Class B common stock 5,985 13.4283 I By Hill's End Partners, L.P.(1)
Putative Debenture (5) (5) CBS Class B common stock 3,965.053 (6) D
Putative Debenture (5) (5) CBS Class B common stock 7,547.415 (7) D
Putative Debenture (5) (5) CBS Class B common stock 2,395.696 (8) D
Putative Debenture (5) (5) CBS Class B common stock 13,004.03 (9) D
Putative Debenture (5) (5) CBS Class B common stock 2,400.744 (10) D
Putative Debenture (5) (5) CBS Class B common stock 3,882.521 (11) D
Putative Debenture (5) (5) CBS Class B common stock 7,145.664 (12) D
Explanation of Responses:
1. By Hill's End Partners, L.P., a family partnership. The Reporting Person disclaims beneficial ownership of the Class B common stock held by the partnership to the extent that he has no pecuniary interest.
2. Phantom common stock units are payable in cash following the Reporting Person's retirement or other termination of service pursuant to the Issuer's Excess 401(k) Plan for Designated Senior Executives. Each CBS Corporation Class A Phantom common stock unit is the economic equivalent of one share of CBS Corporation Class A common stock and each CBS Corporation Class B Phantom common stock unit is the economic equivalent of one share of CBS Corporation Class B common stock.
3. Right to buy under Issuer's long term incentive plan.
4. Current.
5. The Putative Debentures reflect deferral of an award under the Issuer's annual performance plan or long term incentive plan. Putative Debentures convert to shares (if in the money) and are paid in a lump sum or installments following termination of service. A tax-withholding feature is associated with the Putative Debentures.
6. The conversion rate is 10.1408 shares per $100 debenture.
7. The conversion rate is 9.7386 shares per $100 debenture.
8. The conversion rate is 9.7386 shares per $100 debenture.
9. The conversion rate is 10.0031 shares per $100 debenture.
10. The conversion rate is 10.0031 shares per $100 debenture.
11. The conversion rate is 6.9084 shares per $100 debenture.
12. The conversion rate is 7.4434 shares per $100 debenture.
Remarks:
/s/ Briskman, Louis J. 01/10/2006
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
POWER OF ATTORNEY

	The undersigned hereby constitutes and appoints
Angeline C. Straka as the undersigned's true and
lawful attorney-in-fact to execute and file for
and on behalf of the undersigned (i) any reports
on Forms 3, 4  and 5 (including any amendments
thereto and any successors to such Forms) with respect to
ownership of securities of CBS Corporation, formerly known as
Viacom Inc. (the "Company"), that the undersigned may be required
to file with the U.S. Securities and Exchange Commission
in accordance with Section 16(a) of the Securities Exchange Act
of 1934 and the rules thereunder and (ii) any other documents
necessary or appropriate to obtain codes and passwords enabling
the undersigned to file such reports electronically.

	The undersigned acknowledges that the foregoing
attorney-in-fact, in serving in such capacity at the request
of the undersigned, is not assuming, nor is the Company
assuming, any of the undersigned's responsibilities to
comply with Section 16 of the Securities Exchange Act of 1934.

	This Power of Attorney shall remain in full force
and effect until the undersigned is no longer required to file
Forms 3, 4 and 5 with respect to the undersigned's holdings and
transactions in securities issued by the Company, unless earlier
revoked by the undersigned in a signed writing delivered to
the foregoing attorney-in-fact.   This Power of Attorney revokes
and replaces any prior Power of Attorney executed by the
undersigned with respect to the ownership of securities of the Company.

	IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 30th day of  December, 2005.


		Signature:  /s/ Louis J. Briskman
		Print: Louis J. Briskman