This is often referred to as a "motion for time served" or a "motion for jail time credit. Please complete the form below to submit your Online Request.To request credit for time served, you must provide proof of incarceration from a jail or prison that includes the dates you were incarcerated. How to fill out the Request for Time Served in Municipal Court Texas? COMPLETE ONE OF THE FOLLOWING: a. I am currently incarcerated in (location) . This research guide includes information and resources on requests for time served, also known as jail credit, or a letter of incarceration. If you have been incarcerated, since the offense date(s) of the citation(s) listed below, you may be entitled to credit for time served. To request time served,. The gray boxes underneath "County, Texas" in the style of the judgment.