The form may be mailed to P.O. Box 13697, Austin, Texas. 78711-3697; faxed to (512) 463-5709; or delivered to the James Earl Rudder Office Building, 1019.It is an automatic resignation for an officeholder to announce his or her candidacy or to file for a public office other than the one currently held. To resign as a registered agent in Texas, you must send written notice of your resignation to the company you had been representing. I will go over a step-by-step resignation template letter you can use, how to structure it and provide examples of resignation letters. Gov or fill out form 2574. You've found a new job, but now you have to let your current employer know. Here are some examples of a good resignation letter to get you started. However, before a councilmember may accept a position with the city, the councilmember must resign from the position and that position must be filled. As part of that sentence or in the following sentence, let your manager know the last day you plan to work. 5.