Yes, SickKids Foundation is a registered charity, and they issue tax receipts for eligible donations. When you make a donation, whether online, over the phone, or through other means, you will receive a tax receipt that you can use when filing your taxes. It's important to keep the receipt as proof of your donation for tax purposes. However, it's always recommended to consult with a tax professional or refer to the official tax guidelines in your country for specific information regarding tax deductions.