Exhibit 10.43 OMB Control No.1505-00801. CONTRACT ID CODE PAGE OF PAGES AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 2 AMENDMENT/MODIFICATION NO. 3 EFFECTIVE DATE U REQUISITION/PURCHASE REQ. NO. 5 PROJECT NO(If applicable)0003See Block 16C W-6-W2-03-TP-R03 010
6 ISSUED BYCODE IRS0088 7 ADMINISTERED BY(If other than Item 6)CODE Internal Revenue Service 6009 Oxon Hill Road, Suite 500 See Item 6 Oxon Hill, MD 20745
8 NAME AND ADDRESS OF CONTRACTOR(No. Street, county, Stale and ZIP: Code)(x) 9A AMENDMENT OF SOLICITATION NOofficial payments corporation00051397
2333 SANramon valley boulevardSTE# 450 9B DATED(SEE ITEM 11)SANramon,CA 945834456official payments corporation1 OA MODIFICATION OF
CONTRACT/ORDER NO TIRNO-09-C-00019 10B DATED(SEE ITEM 13)CODE FACILITY CODE 04/23/200911.THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS
þThe above
numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers[]extended,[x] is not extended. Offers must acknowledge receipt of this amendment prior to the hour and date specified in the
solicitation or as amended, by one of the following methods:(a) By completing Items8and 15,and returning copies of the amendment; (b) By
acknowledging receipt of this amendment on each copy of the offer submitted; or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF
YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATA SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you
desire to change an offer already submitted, such change may be made by telegram or letter,provided each telegram or letter makes reference to the solicitation and this amendment, and is
received prior to the opening hour and data specified. 12. ACCOUNTING AND APPROPRIATION DATA(If required)None Net Increase: $0.00 13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS,
IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14. A. THIS CHANGE ORDER IS ISSUED PURSUANT TO(Specify authority)THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER NO IN ITEM 1OA
B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES(such as changes in paying office, appropriation date, etc.)SET FORTH IN ITEM 14,
PURSUANT TO THE AUTHORITY OF FAR 43 103(b) C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF. D. OTHER Specify type of modification and authority)
X Mutual Agreement Between the Parties.E. IMPORTANT: Contractor[] is not, [x] is required to sign this document and return 1 copies to the issuing office.14. DESCRIPTION OF AMENDMENT/MODIFICATION(Organized by UCF section
headings, including solicitation/contract subject matter where feasible.)This Modification is being issued as follows:1. The clauses listed in the Table Of Contents are hereby incorporated into the Contract
2. All other terms and conditions remain unchanged. Except at provided herein, all terms and conditions of the document referenced in Item 9A or 10A,s heretofore changed, remains unchanged and in full force and effect
15A. NAME AND TITLE OF SIGNER(Type or print)16A. NAME AND TITLE OF CONTRACTING OFFICER(Type or Print)Nina K. Velleayan, EVP & COO DIANNE L GOOSBY202-283-1207 /contract
specialist15B. CONTRACTOR/OFFEROR(Signature of person authorized to sign)I5C. DATE SIGNED 16B. UNITED STATES OF AMERICA I6C. DATE SIGNED 3/29/2010(Signature of Contracting Officer)3/23/10
nsn754O-0/-152-8070 30-105 STANDARD FORM 30 (rev.10-83)previous/edition unusable Computer Generated Prescribed by GSA Prescribed by GSa
FAR (48 CFR) 53.243




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TABLE OF CONTENTS
 PAGE NOS.1.
    
    SF 1449 FORM
    
    1-22.
    
    ATTACHMENT 1, SUPPLIES OR SERVICES AND PRICES/COSTS
    
    5-82.1
    
    NO-COST, FIXED CONVENIENCE FEE RATE
5
    
    CONTRACT2.2
    
    CONTRACT PRICING (CONVENIENCE FEE)
    
    52.2.1 BASE PERIOD
    
    52.2.2 OPTION PERIOD 1
    
    62.2.3 OPTION PERIOD 2
    
    62.2.4 OPTION PERIOD 3
    
    72.2.5 OPTION PERIOD 4
    
    82.3
    
    AUTHORITY   CONTRACTING
OFFICER, CONTRACTING OFFICERS TECHNICAL REPRESENTATIVE AND
CONTRACTORS PROJECT MANAGER
    
    92.4
    
    PERIOD OF PERFORMANCE
    
    102.5
    
    PREPARATION FOR DELIVERY
    
    102.6
    
    MARKING OF SHIPMENTS
    
    103.
    
    CLAUSES
    
    11-24FAR 52.252-2 CLAUSES INCORPORTATED BY REFERENCE52.203-6 Restrictions on Subcontractor Sales to the Government(ALT 1) (FEB 2007)52.204-4  Printed or Copied Double-Sided on On Recycled Paper (AUG 2000)52.212-4 Contract Terms and Conditions                        (FEB 2007)52.233-4 Applicable Law for Breach of Contract Claim          (OCT 2004)FAR 52.212-5 CONTRACT TERMS & CONDITIONS
REQUIRED TO IMPLEMENT STATUTES OR 
          EXECUTIVE
ORDERS  COMMERCIAL ITEMSFAR 52.216-1 CONTRACT TYPEFAR 52.217-8 OPTION TO EXTEND SERVICES
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FAR 52.217-9 OPTION TO EXTEND THE TERM OF THE CONTRACTFAR 52 237-3 CONTINUITY OF SERVICESFAR 52.227-19 COMMERCIAL COMPUTER SOFTWARE  RESTRICTED RIGHTSFAR 52.232-33 PAYMENT
BY ELECTRONIC FUNDS TRANSFER  CENTRAL CONTRACTOR
          REGISTRATION1052.203-9000 NEWS RELEASES AND ADVERTISEMENTS (JUN 2005)1052.204-9003 INFORMATION SECURITY TRAINING REQUIREMENT1052.224-9000a DISCLOSURE OF INFORMATION-SAFEGUARDS1052.224-9000(d) DISCLOSURE OF SENSITIVE BUT UNCLASSIFIED INFORMATION SAFEGUARDS1052.224-9001 (a) DISCLOSURE OF INFORMATION  CRIMINAL/CIVIL SANCTIONS1052.224-9001 (b) DISCLOSURE OF INFORMATION  SENSITIVE BUT UNCLASSIFIED USE ONLY1052-204-9003 INFORMATION SECURITY TRAINING REQUIREMENTS1052.224-9002 DISCLOSURE OF INFORMATION  INSPECTIONATTACHMENTS1. SUPPLIES/SERVICES AND PRICES/COSTS, ATTACHMENT 1 (SEE SECTION 2)
    
    5-82. SECTION C, ATTACHMENT 2
    
    25-473. APPENDIX A through C, ATTACHMENT 3
    
    48
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4. CLAUSES
 FAR 52.252-2 CLAUSES INCORPORATED BY REFERENCE (FEB 1998)
   ClauseNumber
    
    Title
    
    Date52.203-6
    
    Restrictions on Subcontractor Sales
    
    (FEB 2007)to the Government (ALT 1)
    
    (OCT 1995)52.204-4
    
    Printed or Copied Double-Sided on
    
    (AUG 2000)On Recycled Paper52.212-4
    
    Contract Terms and Conditions
    
    (FEB 2007)52.233-4
    
    Applicable Law for Breach of
    
    (OCT 2004)Contract Claim52.212-1
    
    Instructions to Offerors
    
    (JUNE 2008)
 FAR
52.212-5Contract Terms and
Conditions Required to Implement Statutes or Executive
OrdersCommercial Items (Sept 2008)
  52.233-3 31 U.S.C. 3553
 52.233-4
  Contracting Officer check appropriate.
 þ 52.203-6 41 U.S.C. 253g 10 U.S.C. 2402
 o 52.219-3 15 U.S.C. 657a
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þ 52.219-4 July 2005) 15 U.S.C. 657a
 o
 o 52.219-6 15 U.S.C. 644
 o 52.219-6
 o 52.219-6
 o 52.219-7 15 U.S.C.
644
 o 52.219-7
 o 52.219-7
 þ 52.219-8 15 U.S.C. 637(d)(2)
 o 52.219-9 15 U.S.C.
637(d)(4)
 o 52.219-9
 o 52.219-9
 o 52.219-14 15 U.S.C. 637(a)(14)
 o 52.219-16 15 U.S.C.
637(d)(4)(F)(i)
 o 52.219-23 Sept 2005) 10 U.S.C. 2323
 o 52.219-23
 o 10 U.S.C. 2323
 o 52.219-26 10 U.S.C. 2323
 o 52.219-27 15 U.S.C. 657 f
 o 52.219-28 15
U.S.C. 632(a)(2)
 o 52.222-3
 þ 52.222-19
 o 52.222-21
 þ 52.222-26
 þ 52.222-35 38 U.S.C. 4212
 þ 52.222-36 29 U.S.C.
793
 þ 52.222-37 38 U.S.C. 4212
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o 52.222-39
 o 52.222-50
 o 52.222-50
 o 52.223-9 42 U.S.C. 6962(c)(3)(A)(ii))
 o 42 U.S.C. 6962(i)(2)(C)
 o 52.223-15 Dec 2007 42U.S.C. 8259b
 o 52.223-16 Dec 2007
 o Dec
2007 52.223-16
 o 52.225-1 41 U.S.C. 10a-10d
 o 52.225-3 41 U.S.C. 10a-10d 19 U.S.C. 3301 19 U.S.C. 2112
 o 52.225-3
 o 52.225-3
 o 52.225-5 19 U.S.C. 2501 et seq., 19 U.S.C. 3301
 o 52.225-13
 o 52.226-4 42 U.S.C. 5150
 o 52.226-5 42 U.S.C. 5150
 þ 52.232-29 41 U.S.C.
255(f), 10 U.S.C. 2307(f))
 o 52.232-30 41 U.S.C. 255(f) 10 U.S.C. 2307(f)
 þ 52.232-33 31 U.S.C. 3332
 þ 52.232-34 31 U.S.C. 3332
 þ 52.232-36 31 U.S.C. 3332
 þ 52.239-1 5 U.S.C. 552a
 o 52.247-64 46 U.S.C. Appx. 1241(b) 10 U.S.C. 2631
 o 52.247-64
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Contracting Officer check appropriate.
 o 52.222-41 41 U.S.C. 351 et
seq.).
 o 52.222-42 29 U.S.C. 206 41 U.S.C. 351 et seq.).
 o 52.222-43 29
U.S.C. 206 41 U.S.C. 351 et seq.).
 o 52.222-44 29 U.S.C. 206 41 U.S.C. 351 et seq.).
 o 52.222-51 41 U.S.C. 351 et seq.).
 o 52.222-53 41 U.S.C. 351 et seq.).
 o 52.237-11 31 U.S.C. 5112(p)(1))
 Comptroller General Examination Record.
     Page -7




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52.219-8 15 U.S.C.
637(d)(2) 52.219-8
 52.222-26
 52.222-35 38 U.S.C. 4212
 52.222-36 29 U.S.C. 793
 52.222-39
 52.222-41 41 U.S.C. 351 et seq.).
 )52.222-50 22 U.S.C. 7104(g)) 52.222-50
 52.222-51 41 U.S.C. 351 et seq.).
 52.222-53 41 U.S.C. 351 et seq.).
 52.247-64 46 U.S.C. Appx. 1241(b) 10 U.S.C. 2631) 52.247-64
   Alternate I (Feb 2000).
 FAR
52.212-3 Offeror Representations and Certifications  Commercial Items (June
2008)
 http://orca.bpn.gov.
 Definitions.
  Page -8




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Page -9




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38 U.S.C. 101(2), 38 U.S.C. 101(16)
   38 U.S.C.
101(2))
       Annual Representations and Certifications.
 http://orca.bpn.qov. 4.1201)
 [Offeror to identify the applicable paragraphs at (c) through (m) of this provision that the
offeror has completed for the purposes of this solicitation only, if any.
 These amended representation(s) and/or certification(s) are also incorporated in this offer and are
current, accurate, and complete as of the date of this offer.
 Any changes provided by the offeror are applicable to this solicitation only, and do not result in
an update to the representations and certifications posted on ORCA.]
  Page - 10




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(1) Small business concern.
 Veteran-owned small business concern. [Complete only if the offeror represented itself as
a small business concern in paragraph (c)(1) of this provision.]
 Service-disabled veteran-owned small business concern. [Complete only if the offeror
represented itself as a veteran-owned small business concern in paragraph (c)(2) of this
provision.]
 (4) Small disadvantaged business concern. [Complete only if the offeror represented itself as
a small business concern in paragraph (c)(1) of this provision.]
 Women-owned small business concern. [Complete only if the offeror represented itself as a
small business concern in paragraph (c)(1) of this provision.]
 Note:
 (6) Women-owned business concern (other than small business concern). [Complete only if the
offeror is a women-owned business concern and did not represent itself as a small business concern
in paragraph (c)(1) of this provision.]
 (7) Tie bid priority for labor surplus area concerns.
 [Complete only if the offeror has represented itself to be a small business concern under the
size standards for this solicitation.]
 [Complete only for solicitations indicated in an addendum as being set-aside for
emerging small businesses in one of the designated industry groups (DIGs).]
 [Complete only for solicitations indicated in an addendum as being for one of the
targeted industry categories (TICs) or designated industry groups (DIGs).
   (Check one of the following):
 Number of Employees
    
    Average Annual Gross Revenues_50 or fewer
    
    _$1 million or less_51-100
    
    _$1 ,000,001-$2 million_101-250
    
    _$2,000,001-$3.5 million_251-500
    
    _$3,500,001-$5 million_501-750
    
    _$5,000,001-$10 million_751-1000
    
    _$1 0,000,001-$17 million_Over 1,000
    
    _Over $17 million
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Complete only if the solicitation contains the clause at FAR 52.219-23. Notice of Price Evaluation Adjustment for Small Disadvantaged Business Concerns, or FAR 52.219-25, Small Disadvantaged Business Participation ProgramDisadvantaged
Status and Reporting, and the offeror desires a benefit based on its disadvantaged status.
 General.
 
 
 Joint Ventures under the Price Evaluation Adjustment for Small Disadvantaged
Business Concerns. [The offeror shall enter the name of the small
disadvantaged business concern that is participating in the joint venture:
 HUBZone small business concern. Complete only if the offeror represented itself as
a small business concern in paragraph (c)(1) of this provision.
 
 [The
offeror shall enter the name or names of the HUBZ0ne small business concern or concerns that are
participating in the joint venture:
   
 
 Affirmative Action Compliance.
 
 
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Certification Regarding Payments to Influence Federal Transactions http://uscode.house.gov/uscodecgi/fastweb.exe?getdoc+uscview+t29t32+1665+30++%2831%29%20%20AND%20%28%2831% 29%2OADJ%20USC%29%3ACITE%20%20%20%20%20%20%20%20%20
 Buy American Act Certificate. 52.225-1,
   Line item No.
    
    Country of Origin
 [List as necessary]
 Part 25
 Buy American ActFree Trade AgreementsIsraeli Trade Act Certificate. 52.225-3,
   Page - 13




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Line item No.
    
    country of Origin
 [List as necessary]
 (g)(1
  Line item No.
    
    Country of Origin
 [List as necessary]
 Part 25.
 Buy American ActFree Trade AgreementsIsraeli Trade Act Certificate, Alternate I. 52.225-3
   Line item No.
 [List as necessary]
 Buy American ActFree Trade AgreementsIsraeli Trade Act Certificate, Alternate II. 52.225-3
   Line item No.
    
    Country of Origin
 [List as necessary]
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Trade Agreements Certificate. 52.225-5
    Line item No.
    
    Country of Origin
 List as necessary
 Part 25
 Certification Regarding Responsibility Matters (Executive Order 12689).
      The tax liability is finally determined.
 The taxpayer is delinquent in making payment.
 Examples.
 Page - 15




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Listed End Products (Executive Order
13126). The Contracting Officer must list in paragraph (i)(1) any end products being acquired
under this solicitation that are included in the List of Products Requiring Contractor
Certification as to Forced or Indentured Child Labor, unless excluded at 22.1503 (b)
 Listed end products.
 Listed End Product
    
    Listed Countries of Origin
 Certification. If the Contracting Officer has identified end products and countries
of origin in paragraph (i)(1) of this provision, then the offeror must certify to either (i)(2)(i)
or (i)(2)(ii) by checking the appropriate block.
   Place of manufacture.
   Certificates regarding exemptions from the application of the Service Contract Act.
 Page - 16




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The contracting officer is to check a box to indicate if paragraph (k)(1) or (k)(2) applies.
 22.1003-4
  22.1003-4
  22.1003-4
  22.1003-4
      Taxpayer Identification Number (TIN) ( 26 U.S.C. 6109 31 U.S.C.
7701 ).
 31 U.S.C. 7701(c) and 3325(d) 26 U.S.C. 6041, 6041A, and 6050M
 31 U.S.C. 7701 (c)(3) 4.904
 Taxpayer Identification Number (TIN).
 Page - 17




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Type of organization.
        
 Common parent.
   
 
 Restricted business operations in Sudan.
  FAR 52.216-1 TYPE OF CONTRACT (APR 1984)
   52.217-4 Evaluation of Options Exercised at Time of Contract Award.
 17.208
 Evaluation of options Exercised at Time of Contract Award (June 1988)
 17.206
  Page - 18




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52.217-5 Evaluation of Options
 17.208
 Evaluation of Options (July 1990)
 17.206
  52.217-8 Option to Extend Services.
 17.208
 Option to Extend Services (Nov 1999)
   52.217-9 Option to Extend the Term of the Contract.
 17.208
 Option to Extend the Term of the Contract (Mar 2000)
     52.227-19 Commercial Computer Software License.
 27.409
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Commercial Computer Software License (Dec 2007)
            
  52.232-33 Payment by Electronic Funds TransferCentral Contractor Registration.
 32.11 1O
 Payment by Electronic Funds TransferCentral Contractor Registration (Oct 2003)
  Page - 20




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Contractors EFT information.
 Mechanisms for EFT payment.
 Suspension of payment.
         EFT and prompt payment.
 Page - 21




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##### 



EFT and assignment of claims. Subpart
32.8,
 Liability for change of EFT in formation by financial agent.
 Payment information.
  52.237-3 Continuity of Services.
 37.110
 Continuity of Services (Jan 1991)
     Page - 22




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(i.e.,
  1052.203-9000 NEWS RELEASES AND ADVERTISEMENTS (JUN 2005)
   1052.224-9000(a) Disclosure of Information-Safeguards (January 1998)
    Page - 23




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1052.224-9000(d) Disclosure of Sensitive but Unclassified Information Safeguards (March
2008)
   1052.2249001A IRSAP 1052.224-9001(a) Disclosure of Information Criminal/Civil Sanctions
(January 1998)
  Page - 24




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5 5
  1052.224-9001(b) Disclosure of Information-Sensitive but Unclassified Use Only (March 2008)
  Page - 25




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1052.224-9002 IRSAP 1052.224-9002 Disclosure of InformationInspection (December 1988)
   1052.204-9003 Information Security Training Requirements (Mar 2008)
      Page - 26




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Page - 27