We donate to a variety of charities. To submit a donation request, please review our guidelines and instructions below.Donation Request San Diego Global PO BOX 120551. All donation requests must be fully completed and submitted using our online donation portal at least six weeks prior to the event. In this post, I'm breaking down how to write a donation letter. Donor Advised Funds (DAFs) are an easy and tax-efficient tool for charitable giving. Requests are filled on a first-come, first-served basis. All donation requests MUST be submitted online at least six weeks prior to the date of the event. You will need to provide a Government Affirmation letter or other IRS-provided letter for verification of your nonprofit organization or public agency (i.e. Requests are filled on a first-come, first-served basis.