10-K/A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K/A

(Amendment No. 1)

x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2010

OR

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                               to                               

Commission File Number 001-06605

EQUIFAX INC.

(Exact name of registrant as specified in its charter)

Georgia	58-0401110
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
1550 Peachtree Street, N.W. Atlanta, Georgia	30309
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: 404-885-8000

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Name of each exchange on which registered
Common Stock, $1.25 par value per share	New York Stock Exchange
Common Stock Purchase Rights	New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None.

Indicate by check mark if Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Exchange Act (“Act”). x YES ¨ NO

Indicate by check mark if Registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. ¨ YES x NO

Indicate by check mark whether Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. x YES ¨ NO

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of Registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. x

Indicate by check mark whether the Registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the Registrant was required to submit and post such files). YES x NO ¨

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

x Large accelerated filer	¨ Accelerated filer	¨ Non-accelerated filer	¨ Smaller reporting company
	(Do not check if a smaller reporting company)

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Act). ¨ YES x NO

As of June 30, 2010, the aggregate market value of Registrant’s common stock held by non-affiliates of Registrant was approximately $3,507,932,713 based on the closing sale price as reported on the New York Stock Exchange. At January 31, 2011, there were 122,739,885 shares of Registrant’s common stock outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of Registrant’s definitive proxy statement for its 2011 annual meeting of shareholders are incorporated by reference in Part III of this Form 10-K.

Explanatory Note

The sole purpose of this Amendment No. 1 on Form 10-K/A (the “Amendment”) to the Annual Report on Form 10-K of Equifax Inc. (the “Company”) for the fiscal year ended December 31, 2010 (the “Original Report”), filed by the Company with the Securities and Exchange Commission on February 23, 2011, is to furnish the following document which was inadvertently omitted from the Original Report: Exhibit 21.1 - Subsidiaries of Equifax Inc.

Except for the foregoing amended information, this Amendment does not amend or update any other information contained in the Original Report. This Amendment continues to speak as of the filing date of the Original Report, does not reflect events that may have occurred subsequent to the original filing date, and does not modify or update any related disclosures made in the Original Report.

In addition, as required by Rule 12b-15 under the Securities Exchange Act of 1934, as amended, the Company is filing the following additional exhibits herewith:

31.3         Rule 13a-14(a) Certification of Chief Executive Officer.

31.4         Rule 13a-14(a) Certification of Chief Financial Officer.

PART IV

ITEM 15.EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a) As part of this Amendment, the following documents are being filed:

(3) Exhibits.

The exhibits listed in the accompanying index to exhibits on page 4 are filed or incorporated herein by reference.

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on March 24, 2011.

	EQUIFAX INC. (Registrant)
By:	/s/ RICHARD F. SMITH
	Richard F. Smith Chairman and Chief Executive Officer

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2010 Form 10-K/A

EXHIBIT INDEX

Exhibit Number
		Articles of Incorporation and Bylaws
3.1		Amended and Restated Articles of Incorporation of Equifax Inc. (incorporated by reference to Exhibit 3.1 to Equifax's Form 8-K filed May 14, 2009).
3.2		Amended and Restated Bylaws of Equifax Inc. (incorporated by reference to Exhibit 3.1 to Equifax's Form 8-K filed December 1, 2010).
		Instruments Defining the Rights of Security Holders, Including Indentures
4.1		Amended and Restated Rights Agreement dated as of October 14, 2005, between Equifax Inc. and SunTrust Bank, as Rights Agent, which includes as Exhibit A the form of Rights Certificate and as Exhibit B the Summary of Rights (incorporated by reference to Exhibit 4.1 to Equifax's Form 8-K filed on October 18, 2005).
4.2		Indenture dated as of June 29, 1998, between Equifax Inc. and The First National Bank of Chicago, Trustee (the “1998 Indenture”)(under which Equifax's 6.9% Debentures due 2028 were issued) (incorporated by reference to Exhibit 4.4 to Equifax's Form 10-K filed March 31, 1999).
4.3		First Supplemental Indenture dated as of June 28, 2007, between Equifax Inc. and The Bank of New York Trust Company, N.A. (under which Equifax's 6.30% Senior Notes due 2017 were issued), to the 1998 Indenture (incorporated by reference to Exhibit 4.1 to Equifax's Form 8-K filed June 29, 2007).
4.4		Second Supplemental Indenture dated as of June 28, 2007, between Equifax Inc. and The Bank of New York Trust Company, N.A. (under which Equifax's 7.00% Senior Notes due 2037 were issued), to the 1998 Indenture (incorporated by reference to Exhibit 4.1 to Equifax's Form 8-K filed June 29, 2007).
4.5		Third Supplemental Indenture dated as of November 9, 2009, between Equifax Inc. and The Bank of New York Mellon Trust Company, N.A. (under which Equifax’s 4.450% Senior Notes due 2014 were issued), to the 1998 Indenture (incorporated by reference to Exhibit 4.2 to Equifax's Form 8-K filed November 5, 2009).
4.6	#	Second Amended and Restated Credit Agreement dated as of February 18, 2011, among Equifax Inc., Equifax Limited, Equifax Canada Inc., Equifax Luxembourg S.A.R.L., the Lenders named therein and Bank of America, N.A. as Administrative Agent.
4.7		Note Purchase Agreement dated as of May 25, 2006, among TALX Corporation and the Purchasers named therein (the “TALX Note Purchase Agreement”)(TALX Corporation Senior Guaranteed Notes due 2014) (including as Exhibit 1 the form of Senior Guaranteed Note due 2014) (incorporated by reference to Exhibit 4.1 to Equifax's Form 10-Q filed August 1, 2007).
4.8		Amendment Agreement dated as of May 15, 2007, among Equifax Inc., TALX Corporation and the Purchasers named therein (including form of Equifax Inc. parent guaranty), to the TALX Note Purchase Agreement (TALX Corporation Senior Guaranteed Notes due 2014) (incorporated by reference to Exhibit 4.2 to Equifax's Form 10-Q filed August 1, 2007).
		Except as set forth in the preceding Exhibits 4.1 through 4.8, instruments defining the rights of holders of long-term debt securities of Equifax have been omitted where the total amount of securities authorized does not exceed 10% of the total assets of Equifax and its subsidiaries on a consolidated basis. Equifax agrees to furnish to the SEC, upon request, a copy of such instruments with respect to issuances of long-term debt of Equifax and its subsidiaries.

4

		Management Contracts and Compensatory Plans or Arrangements
10.1		Form of Director/Executive Officer Indemnification Agreement (incorporated by reference to Exhibit 10.1 to Equifax’s Form 8-K dated May 14, 2009).
10.2		Form of New Change in Control Agreement (Tier I or Tier II) (incorporated by reference to Exhibit 10.3 to Equifax’s Form 8-K filed September 26, 2008).
10.3		Equifax Inc. 2008 Omnibus Incentive Plan (incorporated by reference to Exhibit 10.1 to Equifax’s Form 10-Q filed July 29, 2008).
10.4		Equifax Inc. Non-Employee Director Stock Option Plan and Form of Non-Employee Director Stock Option Agreement (incorporated by reference to Exhibit 10.16 to Equifax’s Form 10-K filed March 31, 1999).
10.5		Equifax Inc. Supplemental Executive Retirement Plan (incorporated by reference to Exhibit 10.7 to Equifax’s Form 10-K filed March 29, 2001).
10.6		Supplemental Retirement Plan for Executives of Equifax Inc. (incorporated by reference to Exhibit 10.1 to Equifax’s Form 8-K filed November 15, 2004).
10.7		Equifax Inc. Executive Life and Supplemental Retirement Benefit Plan (incorporated by reference to Exhibit 10.8 to Equifax’s Form 10-K filed March 29, 2001).
10.8		Equifax Inc. Key Management Long-Term Incentive Plan, as amended and restated effective as of January 1, 2006 (incorporated by reference to Appendix A to Equifax’s definitive proxy statement on Schedule 14A filed April 12, 2006).
10.9	#	Form of Non-Qualified Stock Option Agreement under the Equifax Inc. 2008 Omnibus Incentive Plan (incorporated by reference to Exhibit 10.8 to Equifax’s Form 10-K filed February 26, 2009).
10.10	#	Form of Deferred Share Award Agreement (restricted stock units) under the Equifax Inc. 2008 Omnibus Incentive Plan (incorporated by reference to Exhibit 10.9 to Equifax’s Form 10-K filed February 26, 2009).
10.11		Equifax Inc. 2008 Omnibus Incentive Plan (U.K. Sub-Plan for U.K. Participants) (incorporated by reference to Exhibit 10.10 to Equifax’s Form 10-K filed February 26, 2009).
10.12		Form of Non-Qualified Stock Option Agreement under the Equifax Inc. 2008 Omnibus Incentive Plan (U.K. approved option version) (incorporated by reference to Exhibit 10.11 to Equifax’s Form 10-K filed February 26, 2009).
10.13		Form of Non-Qualified Stock Option Agreement under the Equifax Inc. 2008 Omnibus Incentive Plan (U.K. unapproved option version) (incorporated by reference to Exhibit 10.12 to Equifax’s Form 10-K filed February 26, 2009).
10.14		Equifax Inc. Executive Deferred Compensation Plan, as amended through December 31, 2008 (incorporated by reference to Exhibit 10.13 to Equifax’s Form 10-K filed February 26, 2009).
10.15		Equifax Inc. Director Deferred Compensation Plan, as amended through December 31, 2008 (incorporated by reference to Exhibit 10.14 to Equifax’s Form 10-K filed February 26, 2009).
10.16		Equifax Grantor Trust dated as of January 1, 2003, between Equifax Inc. and Wachovia Bank, N.A., Trustee, relating to supplemental deferred compensation and phantom stock benefits (incorporated by reference to Exhibit 10.30 to Equifax’s Form 10-K filed March 28, 2003).
10.17		Equifax Inc. Director and Executive Stock Deferral Plan, as amended through December 31, 2008 (incorporated by reference to Exhibit 10.16 to Equifax’s Form 10-K filed February 26, 2009).
10.18		Form of Director Deferred Share Award Agreement, as amended through December 31, 2008 (incorporated by reference to Exhibit 10.17 to Equifax’s Form 10-K filed February 26, 2009).
10.19		Summary of Annual Incentive Plan (incorporated by reference to Exhibit 10.32 to Equifax’s Form 10-K filed on March 16, 2005).
10.20		Summary of Non-Employee Director Compensation (incorporated by reference to Exhibit 10.20 to Equifax’s Form 10-K filed February 23, 2010).
10.21		Amended and Restated Employment Agreement dated as of September 23, 2008, between Equifax Inc. and Richard F. Smith (incorporated by reference to Exhibit 10.1 to Equifax’s Form 8-K filed September 26, 2008).
10.22		Deferred Share Award Agreement dated as of September 19, 2005, between Equifax Inc. and Richard F. Smith (incorporated by reference to Exhibit 10.2 to Equifax’s Form 10-Q filed November 7, 2005).
10.23		Employment Agreement dated September 1, 1996, and Modification of Employment Agreement dated February 1, 2007, between TALX Corporation and William W. Canfield (incorporated by reference to Exhibit 10.9 to Equifax’s Form 10-Q filed August 1, 2007).

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10.24		Amendment to Employment Agreement dated September 23, 2008, between TALX Corporation and William W. Canfield (incorporated by reference to Exhibit 10.2 to Equifax’s Form 8-K filed September 26, 2008).
10.25		First Amendment to and Complete Restatement of TALX Split-Dollar Agreements and Related Insurance Agreements, dated March 31, 1999, among TALX Corporation, William W. Canfield, and Thomas M. Canfield and James W. Canfield, Trustees of the Canfield Family Irrevocable Insurance Trust U/A March 31, 1993 (incorporated by reference to Exhibit 10.10 to Equifax’s Form 10-Q filed August 1, 2007).
		Material Contracts
10.26		Agreement for Computerized Credit Reporting Services and Options to Purchase and Sell Assets dated as of August 1, 1988, among The Credit Bureau, Incorporated of Georgia, Equifax Inc., Computer Sciences Corporation, CSC Credit Services, Inc., Credit Bureau of Greater Cincinnati, Inc., Credit Bureau of Greater Kansas City, Inc., Johns Holding Company, CSC Credit Services of Minnesota, Inc. and CSC Accounts Management, Inc. (incorporated by reference to Exhibit 10.18 to Equifax’s Form 10-K filed March 30, 2000).
10.27		First through Third Amendments dated as of December 28, 1990, 1991 and September 27, 1991, respectively, to Agreement for Computerized Credit Reporting Services and Options to Purchase and Sell Assets (incorporated by reference to Exhibit 10.26 to Equifax’s Form 10-K filed March 31, 1997).
10.28		Fourth Amendment dated as of December 31, 1992 to Agreement for Computerized Services and Options to Purchase and Sell Assets (incorporated by reference to pages 8 through 16 and Exhibit 4.1 to Amendment No. 1 to Form S-3, Registration Statement No. 33-62820 filed June 17, 1993).
10.29		Fifth Amendment dated as of September 7, 1993 to Agreement for Computerized Credit Reporting Services and Options to Purchase and Sell Assets (incorporated by reference to Exhibit 10.21 to Equifax’s Form 10-K filed March 30, 2000).
10.30		Sixth Amendment dated as of 1994 to Agreement for Computerized Credit Reporting Services and Options to Purchase and Sell Assets (incorporated by reference to Exhibit 10.25 to Equifax’s Form 10-K filed March 30, 1995).
10.31		Purchase and Sale Agreement dated as of June 28, 2007, between Equifax Inc. and First Chicago Leasing Corporation related to Equifax’s purchase of the JV White Technology Center (incorporated by reference to Exhibit 10.1 to Equifax’s Form 8-K filed July 3, 2007).
10.32		Ground Lease Agreement dated as of March 5, 1998, between Rhodes Center Property, L.L.C. and Equifax Inc. related to lease of Equifax’s corporate headquarters (incorporated by reference to Exhibit 10.29 to Equifax’s Form 10-K filed March 31, 1999).
10.33	*	Agreement for Operations Support dated as of July 1, 2003, between International Business Machines Corporation and Equifax Inc. (incorporated by reference to Exhibit 10.1 to Equifax’s Form 10-Q/A filed April 29, 2004).
10.34		Commercial Paper Dealer Agreement dated May 22, 2007, between Equifax Inc. and Banc of America Securities LLC (incorporated by reference to Exhibit 10.1 to Equifax’s Form 8-K filed May 23, 2007).
10.35		Commercial Paper Dealer Agreement dated May 22, 2007, between Equifax Inc. and SunTrust Capital Markets Securities, Inc. (incorporated by reference to Exhibit 10.2 to Equifax’s Form 8-K filed May 23, 2007).
		Other Exhibits and Certifications
11.1		Calculation of earnings per share. (The calculation of earnings per share is in Part II, Item 8, Note 1 to the Consolidated Financial Statements and is omitted in accordance with Section (b)(11) of Item 601 of the Notes to Regulation S-K).
14.1	#	Code of Ethics (The Equifax Business Ethics and Compliance Program).
21.1	**	Subsidiaries of Equifax Inc.
23.1	#	Consent of Independent Registered Public Accounting Firm.
24.1	#	Powers of Attorney (included on signature page).
31.1	#	Rule 13a-14(a) Certification of Chief Executive Officer.
31.2	#	Rule 13a-14(a) Certification of Chief Financial Officer.

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31.3	**	Rule 13a-14(a) Certification of Chief Executive Officer.
31.4	**	Rule 13a-14(a) Certification of Chief Financial Officer.

32.1	#	Section 1350 Certification of Chief Executive Officer.
32.2	#	Section 1350 Certification of Chief Financial Officer.

* Document omits information pursuant to a Request for Confidential Treatment under Rule 406 of the Securities Act of 1933 which has been granted by the SEC. Omitted portions have been filed separately with the SEC.

** Filed herewith.

# Exhibit was previously filed with the original Annual Report on Form 10-K for the fiscal year ended December 31, 2010.

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EX-21.1

EXHIBIT 21.1

SUBSIDIARIES OF EQUIFAX INC.

Registrant - Equifax Inc. (a Georgia corporation)

The Registrant owns, directly or indirectly, 100% of the stock of the following subsidiaries as of January 31, 2011 (all of which are included in the consolidated financial statements), except as noted in the footnotes below:

	State or
	Country of
Name of Subsidiary	Incorporation
Acredito Buro de Informacion Crediticia, SA(19)	Ecuador
Acrofax Inc.(14)	Quebec
Alphafax Properties Limited Partnership	Georgia
Anakam, Inc.	Delaware
Anakam Information Solutions, LLC(23)	Delaware
Austin Consolidated Holdings, Inc.	Texas
Clearing de Informes S.A. (6)	Uruguay
Compliance Data Center LLC (1)	Georgia
Computer Ventures, Inc.(1)	Delaware
EFX Holdings Ltd. (16)	Mauritius
Equifax Americas B.V. (8)	The Netherlands
Equifax Chile S.A. (7)	Chile
Equifax Canada Inc. (18)	Canada
Equifax Commercial Services Ltd. (4)	Ireland
Equifax Consumer Services LLC (9)	Georgia
Equifax Database Services, Inc.	Delaware
Equifax Decision Systems, B.V. (4)	The Netherlands
Equifax Direct Marketing Solutions LLC (9)	Georgia
Equifax do Brasil Holdings Ltda.(6)(13)	Brazil
Equifax do Brasil Ltda. (12)(13)	Brazil
Equifax EUA Limited(22)	United Kingdom
Equifax Europe LLC(14)	Georgia
Equifax Information Services LLC	Georgia
Equifax Information Services of Puerto Rico, Inc.	Georgia
Equifax Information Technology LLC	Georgia
Equifax Investment (South America) LLC (6)	Georgia
Equifax Luxembourg (No. 2) S.À R.L. (4)(16)	Luxembourg
Equifax Luxembourg (No. 3) S.À R.L. (4)	Luxembourg
Equifax Luxembourg S.À R.L.	Luxembourg
Equifax Marketing Solutions LLC (1)	Florida
Equifax Limited (f/k/a Equifax Plc)(4)	England
Equifax Real Estate Mortgage Solutions, LLC (1)	Georgia
Equifax Receivables Finance LLC (11)	Delaware
Equifax Secure UK Ltd.(11)	United Kingdom
Equifax Settlement Services Holding LLC (1)	Georgia

1

Equifax Settlement Services LLC(20)	Pennsylvannia
Equifax Settlement Services of Alabama LLC(15)	Alabama
Equifax Software Systems Private Ltd.(21)	India
Equifax South America LLC(14)	Georgia
Equifax Spain Holdings S.L. (24)	Spain
Equifax Technologies India Private Limited(21)	India
Equifax Technology Solutions LLC	Georgia
Equifax Title Company, Inc. (20)	California
Equifax Ventures, Inc. (1)	Georgia
Inversiones Equifax de Chile S.A. (6)	Chile
IXI Corporation	Delaware
Matrix Intelligence, LLC (2)	Delaware
NAV Acquisition Inc. (10)	Georgia
Net Profit, Inc. (2)	South Carolina
Opt-Out Services LLC (1)	Delaware
Performance Assessment Network, Inc. (2)	Delaware
Propago S.A. (7)	Chile
Rapid Reporting Verification Company, LLC	Texas
RE Acquisition Co, LLC(2)	Delaware
Servicios Integrales de Informacion S.A.(19)	Peru
TALX Confirmation Direct, Inc. (2)	Missouri
TALX Corporation(8)	Missouri
TALX Fastime Services, Inc. (2)	Texas
TALX Tax Credits and Incentives, LLC (2)	Missouri
TALX UCM Services, Inc. (2)	Missouri
The AccountChek Company LLC (2)	Georgia
The Infocheck Group Ltd. (5)	England
UI Advantage, Inc. (2)	Maryland
Verdad Informatica de Costa Rica, S.A.(17)	Costa Rica

NOTES:

Registrant’s subsidiary Equifax Spain Holdings S.L. owns 85% of the stock of Equifax Iberica, S.L. (Spain), which owns 95% of the stock of ASNEF/Equifax Servicios de Informacion Sobre Solvencia y Credito S.L. (Spain); 95% of the stock of Soluciones Veraz Asnef Equifax, S.L.; and 50% of the stock of Credinformacoes Informacoes de Credital DA (Portugal), along with Equifax Decision Systems, B.V. which owns 25%.

Registrant’s subsidiary Equifax South America LLC owns 79% of the stock of Organizacion Veraz, S.A. (Argentina) and 100% of the stock of Inversiones Equifax de Chile S.A. which owns 100% of the stock of Equifax ChileS.A. which owns 95% of the stock of Credit Bureau CA Burode Informacion Crediticia (Ecuador), and owns 49% of the stock of Dicom of CentroAmerica (El Salvador), along with Equifax South America LLC, which owns 18.7%. Dicom of CentroAmerica owns 100% of the stock of Infocom Honduras SA de CV (Honduras). Equifax of South America owns 16% of the stock of Equifax Peru S.A. (f/k/a InfoCorp S.A.), along with Equifax Chile S.A. which owns 35%. Equifax Peru SA owns 100% of Acelor SAC (Peru) and .04% of Servicios Integrales de Informacion S.A., along with Equifax Chile SA which owns 99.96%.

Registrant’s subsidiary Equifax South America LLC owns 79% of the stock of Organizacion Veraz, S.A. (Argentina), and together these two entities own 98.974% of the stock of Transalud, S.A. (Argentina).

2

Registrant’s subsidiary Equifax Decision Systems, B.V. (the Netherlands) owns 28% of Equifax Credit Services LLC (Russia) (f/k/a Global Payments Credit Service LLC). Equifax Decision Systems, B.V. (the Netherlands), through its wholly-owned subsidiary, EFX Holdings Limited (Mauritius), owns 49% of Equifax Credit Information Services Private Limited (India).

Registrant’s subsidiary Equifax Information Services LLC owns 60% of FT/E Mortgage Solutions, LLC (Delaware) and 100% of Equifax Real Estate Mortgage Solutions, LLC (Georgia), which owns 59.4% of Total Credit Services, L.P. (Delaware), along with FT/E Mortgage Solutions, LLC, which owns 1%.

Registrant’s subsidiary Equifax Information Services LLC owns a 33% interest in VantageScore Solutions, LLC (Delaware), 33% of New Management Services LLC (Delaware), 25% of Online Data Exchange LLC (Delaware) and 33% of Central Source LLC (Delaware).

(1)Subsidiary of Equifax Information Services LLC

(2) Subsidiary of TALX Corporation

(3)Subsidiary of Equifax Direct Marketing Solutions LLC

(4)Subsidiary of Equifax Luxembourg S.À R.L.

(5)Subsidiary of Equifax Limited

(6)Subsidiary of Equifax South America LLC

(7)Subsidiary of Inversiones Equifax de Chile S.A.

(8)Subsidiary of Equifax Information Services of Puerto Rico, Inc.

(9) Subsidiary of Equifax Database Services, Inc.

(10)Subsidiary of Equifax Marketing Solutions LLC

(11)Subsidiary of Equifax Capital Management, Inc.

(12)Subsidiary of Equifax do Brazil Holdings Ltda.

(13)Subsidiary of Equifax Investment (South America) LLC

(14)Subsidiary of Equifax Americas B.V.

(15)Subsidiary of Equifax Settlement Services, LLC

(16) Subsidiary of Equifax Decision Systems, B.V.

(17) Subsidiary of Equifax Spain Holdings, S.L.

(18) Subsidiary of Acrofax Inc.

(19) Subsidiary of Equifax Chile SA (99.99%)

(20) Subsidiary Equifax Settlement Services Holding LLC

(21) Subsidiary of EFX Holdings Ltd. (Mauritius)

(22) Subsidiary of Equifax Luxembourg (No. 3) S.À R.L.

(23) Subsidiary of Anakam, Inc.

(24) Subsidiary of Equifax Europe LLC

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EX-31.3

EXHIBIT 31.3

CERTIFICATIONS

I, Richard F. Smith, certify that:

1. I have reviewed this Amendment No. 1 to the annual report on Form 10-K of Equifax Inc.; and

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

Date: March 24, 2011	/s/ Richard F. Smith
	Richard F. Smith
	Chairman and Chief Executive Officer

EX-31.4

EXHIBIT 31.4

CERTIFICATIONS

I, Lee Adrean, certify that:

1. I have reviewed this Amendment No. 1 to the annual report on Form 10-K of Equifax Inc.; and

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

Date: March 24, 2011	/s/ Lee Adrean
	Lee Adrean
	Chief Financial Officer