"Temporarily lengthening the existing automatic extension up to 540 days will avoid lapses in employment authorizations. Forms. For convenience, the following forms are available for downloading, printing and completing.If you need the additional extension for good cause, that form must be mailed or delivered no later than May 1. How do I find out whether the appraisal district. Application for Automatic Six-Month Extension of Time to File for Individuals IT-370. Your full Social Security number (SSN). ✓ Copy of the Administrative Order a. Copies can be obtained from Harris County Real Property Records, 201 Caroline, Third. How can I obtain a duplicate certified ETA Form 9142? Of extension of time shall be as laid down in the contract. 16.16.