EXHIBIT 16.1 [Letterhead of PricewaterhouseCoopers LLP] December 17, 2004 Securities and Exchange Commission 450 5th Street Washington, DC 20549 Commissioners: We have read the statements made by Tier Technologies, Inc. (copy attached), which we understand will be filed with the Commission, pursuant to Item 4.01 of Form 8-K, as part of Tier Technologies, Inc.'s Form 8-K dated December 13, 2004. We agree with the statements concerning our firm in such Form 8-K. Very truly yours, /s/ PricewaterhouseCoopers LLP - ------------------------------