{"id":13004,"date":"2026-09-09T14:20:46","date_gmt":"2026-09-09T14:20:46","guid":{"rendered":"https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/"},"modified":"2026-09-09T14:20:46","modified_gmt":"2026-09-09T14:20:46","slug":"september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders","status":"publish","type":"post","link":"https:\/\/itin.com\/es\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/","title":{"rendered":"September 15, 2026 Estimated Tax Deadline: What Non-U.S. Founders and ITIN Holders Should Know"},"content":{"rendered":"

September 15, 2026 Estimated Tax Deadline: What Non-U.S. Founders and ITIN Holders Should Know<\/h1>\n

Updated:<\/strong> September 9, 2026
\nTopic:<\/strong> 2026 estimated tax payments, nonresident taxpayers, ITINs, EINs, and U.S. businesses<\/p>\n

The IRS lists September 15, 2026<\/strong> as the due date for the third installment of 2026 estimated tax for individuals. The IRS third-quarter tax calendar also lists corporate estimated-tax payments and several extended-return deadlines on the same date. [1]<\/p>\n

For international founders, non-U.S. sellers, sole proprietors, partners, and other taxpayers whose income is not fully covered by withholding, this date may require immediate review. An ITIN does not automatically create a tax bill or determine the amount owed, but an eligible ITIN holder may need to make estimated payments if the person has U.S. tax obligations and expects to owe enough tax. A U.S. business with an EIN may have separate estimated-tax, employment-tax, or information-reporting responsibilities.<\/p>\n

The September 15 date is a deadline on the IRS calendar\u2014not a universal payment obligation for every international taxpayer. The correct result depends on income, filing status, entity structure, withholding, credits, prior-year tax, and applicable tax rules.<\/p>\n

What is due on September 15, 2026?<\/h2>\n

The IRS third-quarter tax calendar identifies several actions due on September 15, including the following:<\/p>\n\n\n\n\n\n\n\n\n\n\n
Taxpayer or action<\/th>\nIRS calendar item<\/th>\n<\/tr>\n<\/thead>\n
Individuals<\/td>\nPay the third installment of 2026 estimated tax using Form 1040-ES<\/td>\n<\/tr>\n
Corporations<\/td>\nDeposit the third installment of 2026 estimated tax<\/td>\n<\/tr>\n
Partnerships<\/td>\nFile certain calendar-year returns if a six-month extension was timely requested<\/td>\n<\/tr>\n
Withholding agents<\/td>\nFile certain calendar-year Form 1042 returns if a six-month extension was timely requested<\/td>\n<\/tr>\n
Foreign trusts with a U.S. owner<\/td>\nFile Form 3520-A if a timely extension was requested<\/td>\n<\/tr>\n
Partnerships<\/td>\nFile certain Form 8804 and Form 8805 returns if extended<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The tax calendar is a planning resource. Taxpayers should review the instructions for the specific form and confirm whether a disaster extension or another special rule changes the deadline. [1]<\/p>\n

Who generally needs to pay estimated tax?<\/h2>\n

The IRS explains that taxes generally must be paid as income is earned or received, either through withholding or estimated-tax payments. Estimated tax can apply to income tax, self-employment tax, and alternative minimum tax. [2]<\/p>\n

Individuals\u2014including sole proprietors, partners, and S corporation shareholders\u2014generally may need estimated tax if they expect to owe $1,000 or more<\/strong> when filing their return. Corporations generally may need estimated tax if they expect to owe $500 or more<\/strong> when filing. These are general IRS thresholds, and special rules can apply to farmers, fishermen, and certain higher-income taxpayers.<\/p>\n

The September 15 installment is part of a four-period payment schedule. A taxpayer who receives income unevenly during the year may need to consider annualized income rules rather than simply dividing an annual estimate into four equal payments.<\/p>\n

How does this affect non-U.S. taxpayers?<\/h2>\n

A nonresident individual may have U.S.-source income, effectively connected income, self-employment income, rental income, business income, or other income that requires analysis under U.S. tax rules. The fact that a person lives outside the United States does not by itself answer whether estimated tax is required.<\/p>\n

The IRS states that nonresident aliens use Form 1040-ES(NR)<\/strong> to figure estimated tax. [2] An ITIN may be relevant when an eligible individual needs a U.S. taxpayer identification number but is not eligible for an SSN. However, an ITIN does not determine residency, source of income, treaty treatment, tax liability, or whether a person is authorized to work in the United States.<\/p>\n

A taxpayer should distinguish between the need for an ITIN and the need to make estimated payments. The ITIN is an identifier. Estimated tax is a payment mechanism based on expected tax liability.<\/p>\n

What should international founders review?<\/h2>\n

Individual income and business income<\/h3>\n

An international founder may receive income personally, through a disregarded entity, through a partnership, through an S corporation where eligible, or through a C corporation. The entity\u2019s structure affects how income and estimated taxes are analyzed.<\/p>\n

A U.S. LLC may be legally formed by a state, but its federal tax classification and the owner\u2019s tax obligations require a separate analysis. Receiving an EIN does not automatically resolve the owner\u2019s individual tax questions or establish that the business has no estimated-tax obligation.<\/p>\n

Withholding and credits<\/h3>\n

Estimated tax is generally reduced by applicable withholding and credits. A taxpayer should compare expected tax with amounts already withheld or paid. A person who receives wages may be able to adjust withholding through Form W-4, while a self-employed taxpayer may need quarterly estimated payments.<\/p>\n

Foreign-owner and cross-border issues<\/h3>\n

Foreign owners may need to review U.S.-source income, effectively connected income, withholding, treaty positions, information returns, and state-level obligations. The September 15 federal estimated-tax date does not automatically move state estimated-tax deadlines or commercial payment deadlines.<\/p>\n

Prior-year tax and current-year changes<\/h3>\n

The IRS says taxpayers can use the prior year\u2019s return as a starting point, but they must adjust for changes in income, deductions, credits, and tax law. A founder who formed an LLC, opened a U.S. business, began selling through a marketplace, received investment income, or changed residence may need to update the estimate.<\/p>\n

How are estimated taxes calculated?<\/h2>\n

Individuals generally use Form 1040-ES to estimate adjusted gross income, taxable income, taxes, deductions, and credits. Nonresident aliens use Form 1040-ES(NR). Corporations use the applicable corporate instructions and payment procedures. [2]<\/p>\n

A simplified planning sequence is:<\/p>\n

    \n
  1. Estimate total income for the year.<\/li>\n
  2. Identify the income that may be subject to U.S. federal tax.<\/li>\n
  3. Estimate deductions, credits, withholding, and prior payments.<\/li>\n
  4. Review self-employment tax or other applicable taxes.<\/li>\n
  5. Compare the projected liability with applicable safe-harbor and penalty rules.<\/li>\n
  6. Recalculate the remaining installments when income changes.<\/li>\n<\/ol>\n

    This sequence is not a substitute for preparing the correct tax computation. The IRS notes that taxpayers should adjust estimates when their circumstances or the tax law changes.<\/p>\n

    What happens if a taxpayer pays too little?<\/h2>\n

    The IRS states that a taxpayer may owe an underpayment penalty if estimated payments are late or insufficient, even when the taxpayer is due a refund when filing the return. [2]<\/p>\n

    The IRS describes common circumstances in which many taxpayers may avoid the penalty: owing less than $1,000 after subtracting withholding and credits, paying at least 90% of current-year tax, or paying 100% of the tax shown on the prior-year return, whichever is smaller. Special rules and exceptions apply, so taxpayers should review the current instructions and their circumstances.<\/p>\n

    A taxpayer with uneven income may be able to use annualized-income methods to reduce or avoid a penalty caused by unequal earnings. A casualty, disaster, or unusual circumstance may also support a waiver in appropriate cases, but that result is not automatic.<\/p>\n

    How can taxpayers pay from abroad?<\/h2>\n

    The IRS offers multiple payment methods. Direct Pay allows taxpayers to pay from a bank account and is described by the IRS as free and secure, with no sign-in required. A scheduled payment can be changed or canceled within two days. Direct Pay supports personal estimated-tax payments and many business tax payments. [3]<\/p>\n

    The IRS also states that businesses can make many common tax payments through Business Tax Account or Direct Pay for businesses, while some payments still must use the Electronic Federal Tax Payment System (EFTPS). The IRS Direct Pay page states that a business payment cannot exceed $10 million through that service; higher payments may require EFTPS or a same-day wire. [3]<\/p>\n

    International taxpayers should verify payment instructions on IRS.gov and retain the confirmation number, date, amount, tax period, and payment type. A bank transfer confirmation alone may not prove that the payment was correctly designated for the intended tax period.<\/p>\n

    ITIN, EIN, LLC, and estimated tax: what is the difference?<\/h2>\n\n\n\n\n\n\n\n\n\n
    Item<\/th>\nPurpose<\/th>\nIssuing or deciding authority<\/th>\n<\/tr>\n<\/thead>\n
    ITIN<\/td>\nIndividual federal tax identification for an eligible person who cannot obtain an SSN<\/td>\nIRS<\/td>\n<\/tr>\n
    EIN<\/td>\nFederal business tax identification<\/td>\nIRS<\/td>\n<\/tr>\n
    LLC formation<\/td>\nCreation of a state-law legal entity<\/td>\nRelevant state authority<\/td>\n<\/tr>\n
    Estimated tax<\/td>\nPeriodic payment toward expected tax liability<\/td>\nTaxpayer applies IRS rules to the taxpayer\u2019s facts<\/td>\n<\/tr>\n
    U.S. bank account<\/td>\nFinancial account access<\/td>\nBanking partner decides approval<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    These services and obligations should not be conflated. An ITIN does not guarantee a refund or eliminate estimated tax. An EIN does not establish the owner\u2019s personal tax position. LLC formation does not automatically determine federal tax classification. A bank account does not determine tax liability.<\/p>\n

    ITIN.com can prepare and coordinate eligible ITIN and EIN services, LLC formation, and U.S. banking assistance. The IRS issues ITINs and EINs, states form LLCs, and banking partners decide account approval. ITIN.com prepares, verifies, files, coordinates, and guides; it does not calculate or guarantee a taxpayer\u2019s final tax liability.<\/p>\n

    What to do before September 15<\/h2>\n

    International taxpayers and founders should first determine whether they are within the estimated-tax rules rather than sending an arbitrary amount. Review expected income, prior payments, withholding, entity structure, and the correct Form 1040-ES or 1040-ES(NR) instructions.<\/p>\n

    If a payment is due, use an official IRS payment channel and save the confirmation. If the taxpayer cannot determine the correct amount or filing position, consult a qualified tax professional before relying on a generalized online estimate.<\/p>\n

    Bottom line<\/h2>\n

    The IRS lists September 15, 2026 as the third estimated-tax installment deadline for individuals and several corporate and extended-filing actions. The date is especially important for international founders and non-U.S. taxpayers whose income is not fully covered by withholding, but it is not a blanket payment requirement for every ITIN holder or U.S. LLC owner.<\/p>\n

    Review the IRS calendar, use the appropriate estimated-tax form, distinguish individual and business obligations, verify payment instructions through IRS.gov, and keep proof of payment. The right amount and filing method depend on the taxpayer\u2019s facts.<\/p>\n

    \n

    Important:<\/strong> This article is general information based on IRS materials available on September 9, 2026. It is not tax, legal, accounting, banking, or immigration advice. Estimated-tax requirements, penalties, safe harbors, and payment procedures depend on the taxpayer\u2019s specific facts and current IRS guidance.<\/p>\n<\/blockquote>\n

    Sources<\/h2>\n
      \n
    1. IRS: Third quarter tax calendar<\/a><\/li>\n
    2. IRS: Estimated taxes<\/a><\/li>\n
    3. IRS: Direct Pay with bank account<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

      The IRS lists September 15, 2026 as the third estimated-tax installment deadline. Learn what non-U.S. founders and ITIN holders should review.<\/p>","protected":false},"author":16,"featured_media":12967,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[42],"class_list":["post-13004","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-legal-alerts","tag-itin"],"yoast_head":"\nSeptember 15, 2026 Estimated Tax Deadline: What Non-U.S. Founders and ITIN Holders Should Know - ITIN<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itin.com\/es\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"September 15, 2026 Estimated Tax Deadline: What Non-U.S. Founders and ITIN Holders Should Know - ITIN\" \/>\n<meta property=\"og:description\" content=\"The IRS lists September 15, 2026 as the third estimated-tax installment deadline. Learn what non-U.S. founders and ITIN holders should review.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itin.com\/es\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/\" \/>\n<meta property=\"og:site_name\" content=\"ITIN\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-09T14:20:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/itin.com\/wp-content\/uploads\/2025\/12\/OG-Image-scaled.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1440\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Omer Aydin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Omer Aydin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/itin.com\\\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/itin.com\\\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\\\/\"},\"author\":{\"name\":\"Omer Aydin\",\"@id\":\"https:\\\/\\\/itin.com\\\/#\\\/schema\\\/person\\\/0ee5895ba4c7aed732da373fce614c3e\"},\"headline\":\"September 15, 2026 Estimated Tax Deadline: What Non-U.S. Founders and ITIN Holders Should Know\",\"datePublished\":\"2026-09-09T14:20:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/itin.com\\\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\\\/\"},\"wordCount\":1665,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/itin.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/itin.com\\\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/itin.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/ITIN-for-Etsy-Sellers_-How-International-Creators-Get-Paid.png\",\"keywords\":[\"ITIN\"],\"articleSection\":[\"News & Legal Alerts\"],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/itin.com\\\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/itin.com\\\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\\\/\",\"url\":\"https:\\\/\\\/itin.com\\\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\\\/\",\"name\":\"September 15, 2026 Estimated Tax Deadline: What Non-U.S. Founders and ITIN Holders Should Know - ITIN\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/itin.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/itin.com\\\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/itin.com\\\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/itin.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/ITIN-for-Etsy-Sellers_-How-International-Creators-Get-Paid.png\",\"datePublished\":\"2026-09-09T14:20:46+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/itin.com\\\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/itin.com\\\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/itin.com\\\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\\\/#primaryimage\",\"url\":\"https:\\\/\\\/itin.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/ITIN-for-Etsy-Sellers_-How-International-Creators-Get-Paid.png\",\"contentUrl\":\"https:\\\/\\\/itin.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/ITIN-for-Etsy-Sellers_-How-International-Creators-Get-Paid.png\",\"width\":2160,\"height\":1216,\"caption\":\"International employer reviewing temporary worker and H-2B hiring documents\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/itin.com\\\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/itin.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"September 15, 2026 Estimated Tax Deadline: What Non-U.S. Founders and ITIN Holders Should Know\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/itin.com\\\/#website\",\"url\":\"https:\\\/\\\/itin.com\\\/\",\"name\":\"ITIN\",\"description\":\"ITIN\",\"publisher\":{\"@id\":\"https:\\\/\\\/itin.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/itin.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/itin.com\\\/#organization\",\"name\":\"ITIN.com\",\"url\":\"https:\\\/\\\/itin.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/itin.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/itin.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/cropped-Favicon.png\",\"contentUrl\":\"https:\\\/\\\/itin.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/cropped-Favicon.png\",\"width\":512,\"height\":512,\"caption\":\"ITIN.com\"},\"image\":{\"@id\":\"https:\\\/\\\/itin.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/itin.com\\\/#\\\/schema\\\/person\\\/0ee5895ba4c7aed732da373fce614c3e\",\"name\":\"Omer Aydin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/098a97e9ac6b3c82a03f006a527e3354d649af0611e0e0e51590e159560c57ef?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/098a97e9ac6b3c82a03f006a527e3354d649af0611e0e0e51590e159560c57ef?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/098a97e9ac6b3c82a03f006a527e3354d649af0611e0e0e51590e159560c57ef?s=96&d=mm&r=g\",\"caption\":\"Omer Aydin\"},\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/in\\\/webmagician\\\/\"],\"url\":\"https:\\\/\\\/itin.com\\\/es\\\/author\\\/omer\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"September 15, 2026 Estimated Tax Deadline: What Non-U.S. Founders and ITIN Holders Should Know - ITIN","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/itin.com\/es\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/","og_locale":"es_ES","og_type":"article","og_title":"September 15, 2026 Estimated Tax Deadline: What Non-U.S. Founders and ITIN Holders Should Know - ITIN","og_description":"The IRS lists September 15, 2026 as the third estimated-tax installment deadline. Learn what non-U.S. founders and ITIN holders should review.","og_url":"https:\/\/itin.com\/es\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/","og_site_name":"ITIN","article_published_time":"2026-09-09T14:20:46+00:00","og_image":[{"width":2560,"height":1440,"url":"https:\/\/itin.com\/wp-content\/uploads\/2025\/12\/OG-Image-scaled.png","type":"image\/png"}],"author":"Omer Aydin","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"Omer Aydin","Tiempo de lectura":"8 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/#article","isPartOf":{"@id":"https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/"},"author":{"name":"Omer Aydin","@id":"https:\/\/itin.com\/#\/schema\/person\/0ee5895ba4c7aed732da373fce614c3e"},"headline":"September 15, 2026 Estimated Tax Deadline: What Non-U.S. Founders and ITIN Holders Should Know","datePublished":"2026-09-09T14:20:46+00:00","mainEntityOfPage":{"@id":"https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/"},"wordCount":1665,"commentCount":0,"publisher":{"@id":"https:\/\/itin.com\/#organization"},"image":{"@id":"https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/#primaryimage"},"thumbnailUrl":"https:\/\/itin.com\/wp-content\/uploads\/2026\/07\/ITIN-for-Etsy-Sellers_-How-International-Creators-Get-Paid.png","keywords":["ITIN"],"articleSection":["News & Legal Alerts"],"inLanguage":"es","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/","url":"https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/","name":"September 15, 2026 Estimated Tax Deadline: What Non-U.S. Founders and ITIN Holders Should Know - ITIN","isPartOf":{"@id":"https:\/\/itin.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/#primaryimage"},"image":{"@id":"https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/#primaryimage"},"thumbnailUrl":"https:\/\/itin.com\/wp-content\/uploads\/2026\/07\/ITIN-for-Etsy-Sellers_-How-International-Creators-Get-Paid.png","datePublished":"2026-09-09T14:20:46+00:00","breadcrumb":{"@id":"https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/"]}]},{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/#primaryimage","url":"https:\/\/itin.com\/wp-content\/uploads\/2026\/07\/ITIN-for-Etsy-Sellers_-How-International-Creators-Get-Paid.png","contentUrl":"https:\/\/itin.com\/wp-content\/uploads\/2026\/07\/ITIN-for-Etsy-Sellers_-How-International-Creators-Get-Paid.png","width":2160,"height":1216,"caption":"International employer reviewing temporary worker and H-2B hiring documents"},{"@type":"BreadcrumbList","@id":"https:\/\/itin.com\/september-15-2026-estimated-tax-deadline-non-us-founders-itin-holders\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/itin.com\/"},{"@type":"ListItem","position":2,"name":"September 15, 2026 Estimated Tax Deadline: What Non-U.S. Founders and ITIN Holders Should Know"}]},{"@type":"WebSite","@id":"https:\/\/itin.com\/#website","url":"https:\/\/itin.com\/","name":"ITIN","description":"ITIN","publisher":{"@id":"https:\/\/itin.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/itin.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Organization","@id":"https:\/\/itin.com\/#organization","name":"ITIN.com","url":"https:\/\/itin.com\/","logo":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/itin.com\/#\/schema\/logo\/image\/","url":"https:\/\/itin.com\/wp-content\/uploads\/2025\/12\/cropped-Favicon.png","contentUrl":"https:\/\/itin.com\/wp-content\/uploads\/2025\/12\/cropped-Favicon.png","width":512,"height":512,"caption":"ITIN.com"},"image":{"@id":"https:\/\/itin.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/itin.com\/#\/schema\/person\/0ee5895ba4c7aed732da373fce614c3e","name":"Omer Aydin","image":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/secure.gravatar.com\/avatar\/098a97e9ac6b3c82a03f006a527e3354d649af0611e0e0e51590e159560c57ef?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/098a97e9ac6b3c82a03f006a527e3354d649af0611e0e0e51590e159560c57ef?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/098a97e9ac6b3c82a03f006a527e3354d649af0611e0e0e51590e159560c57ef?s=96&d=mm&r=g","caption":"Omer Aydin"},"sameAs":["https:\/\/www.linkedin.com\/in\/webmagician\/"],"url":"https:\/\/itin.com\/es\/author\/omer\/"}]}},"_links":{"self":[{"href":"https:\/\/itin.com\/es\/wp-json\/wp\/v2\/posts\/13004","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itin.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itin.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itin.com\/es\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/itin.com\/es\/wp-json\/wp\/v2\/comments?post=13004"}],"version-history":[{"count":0,"href":"https:\/\/itin.com\/es\/wp-json\/wp\/v2\/posts\/13004\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itin.com\/es\/wp-json\/wp\/v2\/media\/12967"}],"wp:attachment":[{"href":"https:\/\/itin.com\/es\/wp-json\/wp\/v2\/media?parent=13004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itin.com\/es\/wp-json\/wp\/v2\/categories?post=13004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itin.com\/es\/wp-json\/wp\/v2\/tags?post=13004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}