All drafts are to be marked "Drawn under Letter of Credit No. . Texas Franchise Tax Report Forms for 2018.If you are unable to file using Webfile, use our downloadable . A letter of instruction can be an enormous resource for executors looking to fulfill your wishes. Some banks insist that their own bank instruction form is used. Contact the Texas Comptroller of Public Accounts, Tax. Assistance Section, Austin, Texas, 78774-0100, (512) 463-4600 or (800) 252-1381 for franchise tax. The MS Word version should be printed out and completed. The PDF version may be completed (filled-in) on a computer then printed out. Quickly learn what a Letter of Instruction is and how to write one (2024 updated).