The Texas 05-158 A form is a crucial document for entities operating within the state that are subject to franchise tax. This form serves as an annual report, detailing the financial activities of corporations, limited liability companies, professional associations, limited partnerships, and financial institutions. Key components of the form include sections for reporting gross revenue, cost of goods sold, and total compensation. Taxpayers must accurately calculate their taxable margin, which is derived from various revenue deductions and adjustments. Additionally, the form requires entities to provide their apportionment factor, determining the portion of their revenue attributable to Texas. Timely submission is essential, as the due date for the report typically falls on June 15 of the reporting year. Failure to comply can result in penalties or interest charges. It is also important to note that the form includes provisions for tax credits and adjustments, allowing for a more accurate tax calculation. Understanding and completing the Texas 05-158 A form correctly is vital for maintaining compliance with state tax regulations.