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*
Franks Martin D

(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, Planning, Policy&Gov Rels
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 3,518 I By 401(k)
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 (1) (1) CBS Class B common stock 143 (1) D
Class B Phantom Common Stock Units (2) (2) CBS Class B common stock 934 (2) D
Employee Stock Option (right to buy)(3) (4) 03/31/2009 CBS Class B common stock 1,655 28.9924 D
Employee Stock Option (right to buy)(3) (4) 01/25/2010 CBS Class B common stock 138,168 44.1875 D
Employee Stock Option (right to buy)(3) (4) 04/01/2010 CBS Class B common stock 1,169 41.0464 D
Employee Stock Option (right to buy)(3) (4) 01/31/2011 CBS Class B common stock 63,671 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) 01/30/2012 CBS Class B common stock 63,671 31.0184 D
Employee Stock Option (right to buy)(3) (4) 03/30/2012 CBS Class B common stock 1,470 37.4067 D
Employee Stock Option (right to buy)(3) (5) 01/26/2013 CBS Class B common stock 44,570 29.3537 D
Employee Stock Option (right to buy)(3) (4) 01/29/2013 CBS Class B common stock 63,671 30.8849 D
Employee Stock Option (right to buy)(3) 04/01/2006 03/28/2013 CBS Class B common stock 1,852 29.6913 D
Employee Stock Option (right to buy)(3) (4) 01/28/2014 CBS Class B common stock 63,671 31.7173 D
Employee Stock Option (right to buy)(3) 04/01/2007 03/31/2014 CBS Class B common stock 1,795 30.6337 D
Employee Stock Option (right to buy)(3) 04/01/2008 03/31/2015 CBS Class B common stock 2,008 27.3826 D
Restricted Share Units (6) (6) CBS Class B common stock 7,958 (6) D
Explanation of Responses:
1. Phantom common stock units are payable in cash following the Reporting Person's retirement or other termination of service pursuant to the CBS Supplemental Employee Investment Fund. Each Phantom common stock unit is the economic equivalent of one share of CBS Corporation Class B common stock.
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. These options vest in four equal annual installments beginning on January 26, 2006.
6. The Restricted Share Units will vest in four equal annual installments beginning on January 26, 2006 and will be settled by delivery of a corresponding number of the Issuer's shares upon vesting.
/s/ Franks, Martin D. 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
Louis J. Briskman and Angeline C. Straka, and each of them
singly, 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 20th day of  December, 2005.


		Signature:  /s/ Martin D. Franks
		Print: Martin D. Franks