Requires all platform charities to register before conducting fundraising activities; requires annual financial reports and filing fees; requires platform charities to be in good standing; requires platform charities to provide disclosures of the charitable fundraising platform, a statement that a recipient charitable organization may not receive donations or grants or recommended donations with explanations, maximum length of time for the donation to be made, fees, and statement of tax deductibility; requires written consent of recipient charitable organizations; requires prompt tax donation receipts to donors; prohibits diversion or misuse of donations; requires any contract with vendors to be available for inspection; companion to SB 1311.