The deadline for filing a timely online Notice of Protest at TAD.org is no later than 5:00 p.m. Central Time on the date indicated on your Notice of Appraised Value form (or May 15th if you are not required to receive a value notice this year). If you file online but fail to receive an immediate confirmation by email, you should file a written protest with the Tarrant Appraisal Review Board, PO BOX 185519, Fort Worth, TX 76181-0519. Your protest must be postmarked no later than the day of your protest deadline to preserve your rights to a hearing. A hard copy protest form is printed on the reverse side of your notice of appraised value. Please don’t wait until the last minute to file. More information is available here.