Please mail this completed form to: Pennsylvania Health Law Project. 123 Chestnut Street, Suite 400.INSTRUCTIONS: Fill out the form below so we can plan for your donation. Find the location nearest you using the blocks at the bottom of this page. In the future other registration forms will be accessible through our online system. The Bureau is still accepting registrations sent via USPS (regular) mail. This document provides a sample format for a letter acknowledging an in-kind contribution or donation. Automatically email branded gift acknowledgements, populated with the donor and gift data of your choice when online donations are made. Sample Fundraising Letter. An easy form to get you started in writing to your potential donors.