The Initiative & Referendum Institute is supported by tax-deductible donations. We welcome your support. Donations by check can be mailed to the following address:
Initiative & Referendum Institute
Attention: John Matsusaka
Law School
University of Southern California
Los Angeles, CA 90089-1027
The Institute is recognized by the Internal Revenue Service as a 501(c)(3) tax exempt organization. You can download a PDF version of our IRS tax designation letter by clicking here.