{"id":1145,"date":"2026-03-28T18:24:24","date_gmt":"2026-03-28T23:24:24","guid":{"rendered":"https:\/\/ameritaxdallas.com\/blog\/cuando-es-el-ultimo-dia-para-presentar-la-declaracion-de-la-renta-de-2024-understanding-key-deadlines\/"},"modified":"2026-04-11T19:48:08","modified_gmt":"2026-04-12T00:48:08","slug":"cuando-es-el-ultimo-dia-para-presentar-la-declaracion-de-la-renta-de-2024-understanding-key-deadlines","status":"publish","type":"post","link":"https:\/\/ameritaxdallas.com\/es\/blog\/cuando-es-el-ultimo-dia-para-presentar-la-declaracion-de-la-renta-de-2024-understanding-key-deadlines\/","title":{"rendered":"\u00bfCu\u00e1ndo es el \u00faltimo d\u00eda para presentar la declaraci\u00f3n de la renta de 2024? Understanding Key Deadlines"},"content":{"rendered":"\n

If you are filing a federal tax return in 2026 for the 2025 tax year<\/strong>, the main date to remember is April 15, 2026<\/strong>. For most individual taxpayers, this is the last day to file a federal return and pay any tax due without penalties for filing late. The IRS also announced that the 2026 filing season opened on January 26, 2026<\/strong>.<\/p>\n\n

Knowing the right deadline matters because filing late or paying late can lead to penalties and interest. Whether you are filing as an individual, self-employed taxpayer, or business owner, planning ahead can help you avoid stress and extra costs.<\/p>\n\n

What is the last day to file individual taxes in 2026?<\/h3>\n\n

For most people, the federal tax filing deadline is April 15, 2026<\/strong>. This applies to calendar-year individual taxpayers filing Form 1040 for tax year 2025. If you miss that date and do not request an extension, you may face late-filing and late-payment consequences if you owe tax.<\/p>\n\n

If you need more time, you can request an extension. A valid extension moves the filing deadline to October 15, 2026<\/strong>, but it does not<\/strong> extend the time to pay. If you expect to owe taxes, the IRS says you should still pay by April 15, 2026<\/strong> to reduce penalties and interest.<\/p>\n\n

When do business tax returns have to be filed?<\/h3>\n\n

Business deadlines depend on the type of entity.<\/p>\n\n

For S corporations<\/strong> and partnerships<\/strong> using a calendar year, the filing deadline in 2026 is generally March 16, 2026<\/strong>, because March 15 falls on a Sunday. For C corporations<\/strong> using a calendar year, the deadline is generally April 15, 2026<\/strong>. Sole proprietors and many single-member LLCs usually file business income on an individual return, so their main deadline usually follows the personal deadline of April 15, 2026<\/strong>.<\/p>\n\n

Important tax dates to keep in mind<\/h3>\n\n

Here are some of the most important federal dates for 2026:<\/p>\n\n