A Texas Writ of Execution — Form | Post-Judgment Interest Rates is a form used to request a Writ of Execution from the court in order to collect a judgment amount. The form includes information on the judgment amount, the debtor's name, and the court where the judgment was entered. There are two types of Texas Writ of Execution — Form | Post-Judgment Interest Rates: federal and state. The federal interest rate is set by the Internal Revenue Service (IRS) and is currently set at 6%. The Texas state interest rate is set by the Texas Supreme Court and is currently set at 5%.