One of the documents must verify that the individual has lived in Texas for at least 30 days. The applicant for a Texas driver license or identification card must complete Section A. A. Applicant Information. Name.Residence Address. City. State. I would like to establish residency in TX as quickly as possible. Looking online, these look to be the steps: 1. You could write a letter or a declaration under penalty of perjury that attests to the person's residency. Save at least 2 printed documents to prove your residency.