We have curated 15 different templates for invitation letters that can help you write invitation letters with ease. Use an appropriate tone.In this article, we will cover how to write a professional invitation letter, with tips, samples, and guidance on how to make an impression on every guest. You can download an invitation letter from a link in your acceptance notification email. If you are NOT PRESENTING, you MUST REGISTER for the meeting first. Learn how to create an invitation letter for a visa application with tips, format guidance, and examples to make the process easier. 1. Write a short, relevant subject line with the date and topic of the meeting. Before crafting your meeting invitation emails, clearly define the key details like the meeting agenda and purpose. Property owners who file protests will also have the opportunity to discuss their evidence with a TCAD appraiser. You'll also need to include contact details or links to an online form where people can signup for the event.