Explain you have been offered a new job that you have accepted, and you wish to resign. During this meeting, present your resignation letter.An alphabetical-by-topic list is provided below containing information and downloadable PDF forms, when available, or links to external resources. The search will begin soon for his replacement. For either Resignation or Retirement, you will be completing and submitting the Form-100. Click on the link to complete a Form-100. Tarrant County, Texas. Procedures laid out in Texas Tax Code, section 6.033. Many forms in Texas are not available in a fillintheblank format.