Learn what an acknowledgement receipt is and how to create one for your business (with a template and two examples). This document provides guidelines for writing an acknowledgement letter.An acknowledgement letter recognizes someone's efforts or contributions. Get your Business Tax Receipt. The county and city will require a Business Tax Receipt license. Below is a list of forms that you may download for free from our website. Business Tax Receipt Checklist. â–¡ Please allow a minimum of five (5) business days for approval of application. The form takes minutes to fill out. SAMPLE FORM CONTRACT: The City's Form Contract is attached as part of this solicitation.