Cal. Gov. Code § 89515

Campaign funds may be used to make donations or loans to bona fide charitable, educational, civic, religious, or similar tax-exempt, nonprofit organizations, where no substantial part of the proceeds will have a material financial effect on the candidate, elected officer, campaign treasurer, or any individual or individuals with authority to approve the expenditure of campaign funds held by a committee, or an immediate family member of one of those individuals, and where the donation or loan bears a reasonable relation to a political, legislative, or governmental purpose.