EXHIBIT 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the following Registration Statements of Paychex,
Inc. of our reports dated July 10, 2009 with respect to the consolidated financial statements and
schedule of Paychex, Inc. and the effectiveness of internal control over financial reporting of
Paychex, Inc., included in this Annual Report (Form 10-K) for the year ended May 31, 2009.
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Registration Statement No. |
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Description |
S-8
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No. 333-65191
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1998 Stock Incentive Plan |
S-8
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No. 333-84055
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401(k) Incentive Retirement Plan |
S-8
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No. 333-129571
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Non-Qualified Stock Option Agreement |
S-8
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No. 333-129572
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2002 Stock Incentive Plan, as amended and restated |
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/s/ Ernst & Young LLP |
Cleveland, Ohio
July 16, 2009