Ownership Submission
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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Shannon Michael S
 2. Date of Event Requiring Statement (Month/Day/Year)
05/17/2006		 3. Issuer Name and Ticker or Trading Symbol
EQUIFAX INC [EFX]
(Last)
(First)
(Middle)
1550 PEACHTREE STREET, N.W.		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Group Executive
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

ATLANTA, GA 30309		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
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)
Common Stock 43,640
D
 
Common Stock 602
I
By 401(k)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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 of Derivative Security: 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
Stock Option/Right to Buy 01/28/1999 01/28/2008 Common Stock 682 $ 19.3497 D  
Stock Option/Right to Buy 01/28/2002 01/28/2008 Common Stock 1,764 $ 19.3497 D  
Stock Option/Right to Buy   (1) 01/27/2009 Common Stock 8,330 $ 21.8286 D  
Stock Option/Right to Buy   (2) 01/27/2009 Common Stock 8,562 $ 21.8286 D  
Stock Option/Right to Buy   (3) 12/10/2009 Common Stock 10,135 $ 13.6151 D  
Stock Option/Right to Buy   (4) 01/29/2011 Common Stock 2,988 $ 17.2083 D  
Stock Option/Right to Buy   (5) 01/29/2011 Common Stock 7,147 $ 17.2083 D  
Stock Option/Right to Buy 01/29/2001 01/29/2011 Common Stock 12,544 $ 17.2083 D  
Stock Option/Right to Buy   (6) 02/05/2012 Common Stock 5,214 $ 25.5 D  
Stock Option/Right to Buy   (7) 02/05/2012 Common Stock 6,786 $ 25.5 D  
Stock Option/Right to Buy   (8) 01/29/2013 Common Stock 4,863 $ 21.11 D  
Stock Option/Right to Buy   (9) 01/29/2013 Common Stock 10,137 $ 21.11 D  
Stock Option/Right to Buy   (10) 01/29/2014 Common Stock 4,311 $ 25.68 D  
Stock Option/Right to Buy   (11) 01/29/2014 Common Stock 9,689 $ 25.68 D  
Stock Option/Right to Buy   (12) 02/03/2015 Common Stock 18,000 $ 30.3 D  
Stock Option/Right to Buy   (13) 02/09/2016 Common Stock 15,000 $ 36.7 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Shannon Michael S
1550 PEACHTREE STREET, N.W.
ATLANTA, GA 30309		       Group Executive  

Signatures

/s/ Shannon, Michael S. 05/17/2006
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) The option vests in increments of 380 shares on 1/27/00, 1,021 shares on 1/27/01, 2,707 shares on 1/27/02 and 4,222 shares on 1/27/03.
(2) The option vests in increments of 3,844 shares on 1/27/00, 3,203 shares on 1/27/01 and 1,515 shares on 1/27/02.
(3) The option vests in increments of 2,534 shares on 12/10/99, 12/10/00 and 12/10/01 and 2,533 shares on 12/10/02.
(4) The option vests in increments of 2 shares on 1/29/02, 453 shares on 1/29/03 and 2,533 shares on 1/29/04.
(5) The option vests in increments of 2,534 shares on 1/29/01, 2,532 shares on 1/29/02 and 2,081 shares on 1/29/03.
(6) The option vests in increments of 1 share on 2/5/02 and 2/5/03, 2,212 shares on 2/5/04 and 3,000 shares on 2/5/05.
(7) The option vests in increments of 2,999 shares on 2/5/02 and 2/5/03 and 788 shares on 2/5/04.
(8) The opion vests in increments of 1,113 shares on 1/29/05 and 3,750 shares on 1/29/06.
(9) The option vests in increments of 3,750 shares on 1/29/03 and 1/29/04 and 2,637 share son 1/29/05.
(10) The option vests in increments of 811 shares on 1/29/06 and 3,500 shares on 1/29/07.
(11) The option vests in increments of 3,500 shares on 1/29/04 and 1/29/05 and 2,689 shares on 1/29/06.
(12) The option vests in four equal annual increments beginning on 2/3/05.
(13) The option vests in four equal annual increments beginning on 2/6/06.

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