A request for donation must be submitted at least 8 weeks prior to the fundraising event. Complete and send the Stock Donation LETTER OF INTENTION.TLDR, What are the essentials in a donation letter? Learn how to write effective fundraising letters that inspire more support from donors. Explore best practices and templates in this comprehensive guide. All donation requests must be submitted online via our donation request form. We no longer accept phone, letter or email requests. If the business has donated in the past, the first paragraph is the perfect place to mention that. We require proof of your 501c3 status from IRS. Your ticket donation request must be submitted via the online donation form at least two months prior to the date of the fundraising event.