Updated Form CT-1 is available for download now. Apply for or reinstate your tax exemption.There are 2 ways to get tax-exempt status in California: 1. Include the nonprofit's EIN so the the donor can to check the charity's tax-exempt status with the IRS. UC Irvine does not provide tax ID numbers for campus organizations. Groups will have to apply for a tax ID number with the Internal Revenue Service. Enter the entity name and identifying number from the tax return where the noncash charitable contribution was originally reported, if different from above. Knott's Public Relations 8039 Beach Blvd. There's no charity tax deduction minimum donation amount required to claim a charitable deduction. Claiming tax-deductible charitable donations.