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EXHIBIT 12.1

CERTIFICATION

I, Barry Shaked, certify
that:

| | 1. | I
have reviewed this Amendment No. 1 to annual report on Form 20-F/A of Retalix Ltd.;
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| | 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;
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| | 3. | Based
on my knowledge, the financial statements, and other financial information included in
this report, fairly present in all material respects the financial condition, results of
operations and cash flows of the company as of, and for, the periods presented in this
report;
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| | 4. | The
companys other certifying officer and I are responsible for establishing and
maintaining disclosure controls and procedures (as defined in Exchange Act Rules
13a-15(e) and 15d-15(e)) for the company and have:
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| | a. | designed
such disclosure controls and procedures, or caused such disclosure controls and
procedures to be designed under our supervision, to ensure that material information
relating to the company, including its consolidated subsidiaries, is made known to us by
others within those entities, particularly during the period in which this report is
being prepared;
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| | b. | evaluated
the effectiveness of the companys disclosure controls and           procedures and
presented in this report   our conclusions about the           effectiveness of the
disclosure controls and procedures, as of the end of the           period covered by this
report based on such evaluation; and
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| | c. | disclosed
in this report any change in the companys internal control over financial reporting
that occurred during the period covered by the annual report that has materially
affected, or is reasonably likely to materially affect, the companys internal
control over financial reporting; and
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| | 5. | The
companys other certifying officer and I have disclosed, based on our most recent
evaluation of internal control over financial reporting, to the companys auditors
and the audit committee of the companys board of directors (or persons performing
the equivalent functions):
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| | a. | all
significant deficiencies and material weaknesses in the design or operation of internal
control over financial reporting which are reasonably likely to adversely affect the
companys ability to record, process, summarize and report financial information;
and
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| | b. | any
fraud, whether or not material, that involves management or other employees who have a
significant role in the companys internal control over financial reporting.
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|Dated: July 21, 2006 |  | /s/ Barry Shaked
Barry ShakedChief Executive Officer
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