The purpose of a TRO is to preserve the status quo of the litigation's subject matter until a hearing on an application for Temporary Injunction. 42 "A temporary injunction's purpose is to preserve the status quo of the litigation's subject matter pending a trial on the merits.An order is signed transferring the case (cause) to Harris County. The process generally takes a month for the transfer to complete. The following forms are available for downloading, printing and completing. Temporary injunction. How to ask the court for a temporary restraining order, temporary injunction, and temporary orders during a child custody emergency. Step 2: Fill out your court forms. ORDER ON TEMPORARY INJUNCTION APPLICATION. Background. Sandill rejected the state's request for a temporary injunction to bar Harris County from pursuing its mailing plan.