Texas Form 05-158 — Franchise Tax Report (Long Form) 2025-2026
How to complete the Texas Franchise Tax Report (Form 05-158, the Long Form) for report year 2026 — who must file, the $2.65 million no-tax-due threshold, how margin and apportionment work, tax rates, extensions, penalties and where to mail it. Verified against the Comptroller’s 2026 form and instructions booklet.