Clearly state what you are inviting the recipient to do and why it is important. Your protest should be filed before you get in line for an informal meeting with a TCAD appraiser.There are many ways to file your protest, including online. We invite you to view the original Travis Letter during its historic return to the Alamo. In this guide we'll go over what to include in the letter and provide a sample letter of invitation. Interested in traveling to the U.S.? : Use a clear and respectful subject line, such as "Follow-Up: Request for Meeting. Travis County has posted this notice and agenda in good faith, in compliance with Government Code section 551.056. Your opening lines in a meeting invite email should align with the nature of your relationship with the recipient. You'll also need to include contact details or links to an online form where people can signup for the event.