This is often referred to as a "motion for time served" or a "motion for jail time credit. He will need to contact the courts that the warrants are out of and ask them exactly what they require.It outlines the necessary documentation and plea options. COMPLETE ONE OF THE FOLLOWING: a. I am currently incarcerated in (location) . To request credit for time served, you must provide proof of incarceration from a jail or prison that includes the dates you were incarcerated. Calendared date and time. Please be advised your plea of No Contest or Guilty will result in a conviction that will appear on your record. First, go to the records department for the jail that you were incarcerated in. Second, set up a court date.