A tax extension is a request for an additional six months to file a tax return with the IRS. Community supervision (probation) occurs prior to a defendant serving time in the County Jail or the TDCJCID.It means that the lawyer who filed the motion needs more time to prepare whatever paperwork he or she is working on in connection with the case. Form 4868 gives you a sixmonth extension to file your tax return, but not pay. The IRS will give taxpayers an automatic extension if they file Form 4868.