Exhibit 31.3

CERTIFICATION

I, James R. Weaver, certify that:

| | 1. | I have reviewed this Amendment No. 1 to the Annual   Report on Form 10-K of Tier Technologies, Inc.;                                                                                                                                                                                                              
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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. | Omitted;                                                                                                                                                                                                                                                                                                          
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| | 4. | Omitted; and                                                                                                                                                                                                                                                                                                      
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| | 5. | Omitted.                                                                                                                                                                                                                                                                                                          

|Dated: January 28, 2005 | By: | /s/ JAMES R. WEAVER          
|----------------------- | --- | -----------------------------
|                        |     |                              
|                        |     | James R. Weaver              
|                        |     | Chief Executive Officer and  
|                        |     | Chairman of the Board        
|                        |     | (principal executive officer)