{"id":23887,"date":"2026-05-30T13:24:53","date_gmt":"2026-05-30T07:54:53","guid":{"rendered":"https:\/\/arnifi.com\/blog\/?p=23887"},"modified":"2026-05-30T13:24:54","modified_gmt":"2026-05-30T07:54:54","slug":"hong-kong-pillar-two-portal-ptp-filling-guide","status":"publish","type":"post","link":"https:\/\/arnifi.com\/blog\/hong-kong-pillar-two-portal-ptp-filling-guide\/","title":{"rendered":"Hong Kong Pillar Two Portal (PTP) Launch | Filing ..."},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"684\" height=\"452\" src=\"https:\/\/arnifi.com\/blog\/wp-content\/uploads\/2026\/05\/Thumbnail-88-1.jpg\" alt=\"Blog banner image of Hong Kong Pillar Two Portal PTP filing.\" class=\"wp-image-23889\" srcset=\"https:\/\/arnifi.com\/blog\/wp-content\/uploads\/2026\/05\/Thumbnail-88-1.jpg 684w, https:\/\/arnifi.com\/blog\/wp-content\/uploads\/2026\/05\/Thumbnail-88-1-300x198.jpg 300w\" sizes=\"(max-width: 684px) 100vw, 684px\" \/><\/figure><\/div>\n\n\n<div class=\"wp-block-yoast-seo-table-of-contents yoast-table-of-contents\"><h2>Table of contents<\/h2><ul><li><a href=\"#h-what-the-pillar-two-portal-actually-does\" data-level=\"2\">What The Pillar Two Portal Actually Does?<\/a><\/li><li><a href=\"#h-a-quick-overview-of-ptp-filing-work\" data-level=\"2\">A Quick Overview of PTP Filing Work<\/a><\/li><li><a href=\"#h-top-up-tax-notification-hong-kong-june-2026\" data-level=\"2\">Top-Up Tax Notification Hong Kong June 2026<\/a><\/li><li><a href=\"#h-form-ir1485-hong-kong-and-group-codes\" data-level=\"2\">Form IR1485 Hong Kong And Group Codes<\/a><\/li><li><a href=\"#h-btp-pillar-two-account-registration\" data-level=\"2\">BTP Pillar Two Account Registration<\/a><\/li><li><a href=\"#h-gir-hong-kong-filing-exchange\" data-level=\"2\">GIR Hong Kong Filing Exchange<\/a><\/li><li><a href=\"#h-conclusion\" data-level=\"2\">Conclusion<\/a><\/li><li><a href=\"#h-faqs\" data-level=\"2\">FAQs:<\/a><\/li><\/ul><\/div>\n\n\n\n<p>Hong Kong Pillar Two Portal PTP filing is now part of the real tax calendar for large multinational groups with Hong Kong entities. The first phase of the Pillar Two Portal opened on 19 January 2026, allowing in-scope groups to file top-up tax notifications online.&nbsp;<\/p>\n\n\n\n<p>For a calendar-year group with a fiscal year ending 31 December 2025, the first notification deadline can land in June 2026. That gives tax teams very little room for messy entity records, missing group codes, or late portal access setup.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-the-pillar-two-portal-actually-does\"><strong>What The Pillar Two Portal Actually Does?<\/strong><\/h2>\n\n\n\n<p>The Pillar Two Portal, or PTP, is not a normal profits tax filing screen. It is a dedicated electronic filing route for Hong Kong\u2019s global minimum tax and Hong Kong minimum top-up tax, or HKMTT, obligations.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.ird.gov.hk\/eng\/tax\/bus_beps.htm\">IRD states<\/a> that a Part 4AA entity of an in-scope MNE group must file a top-up tax notification and top-up tax return electronically through the system designated by the Commissioner. The first phase handles annual top-up tax notifications. The second phase is expected in the fourth quarter of 2026 for filing top-up tax returns and viewing or downloading top-up tax assessment notices.<\/p>\n\n\n\n<p>For finance teams, the portal is only the front end. The harder work sits behind it: checking the group scope, deciding the notifying entity, setting up Business Tax Portal access, applying for codes, preparing GIR positions, and agreeing who signs the filing.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-a-quick-overview-of-ptp-filing-work\"><strong>A Quick Overview of PTP Filing Work<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Filing Area<\/strong><\/td><td><strong>What The Hong Kong Team Should Check<\/strong><\/td><td><strong>Why It Can Delay Filing<\/strong><\/td><\/tr><tr><td>Group Scope<\/td><td>Confirm the EUR 750 million revenue test and in-scope years<\/td><td>Wrong scope can lead to missed or unnecessary filings<\/td><\/tr><tr><td>Form IR1485 Hong Kong<\/td><td>Apply for the MNE code and JV code where needed<\/td><td>The form is submitted in paper form, so late code application can slow portal filing<\/td><\/tr><tr><td>BTP Pillar Two Account Registration<\/td><td>Set up the Business Tax Portal account and authorised users<\/td><td>PTP access depends on BTP access<\/td><\/tr><tr><td>e-Cert Access<\/td><td>Make sure the authorised person has e-Cert (Organisational) with AEOI Functions<\/td><td>The authorised person needs it for authentication<\/td><\/tr><tr><td>Top-Up Tax Notification<\/td><td>File within six months after the fiscal year-end<\/td><td>Calendar-year groups may face a June 2026 notification deadline<\/td><\/tr><tr><td>GIR Position<\/td><td>Decide if group GloBE filing will happen in Hong Kong or another jurisdiction<\/td><td>Poor coordination can create duplicate or missing filing decisions<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-top-up-tax-notification-hong-kong-june-2026\"><strong>Top-Up Tax Notification Hong Kong June 2026<\/strong><\/h2>\n\n\n\n<p>The top-up tax notification Hong Kong June 2026 deadline is important for calendar-year groups. IRD guidance says a top-up tax notification must be filed within six months after the last day of the fiscal year. So for an in-scope MNE group with a fiscal year ending on 31 December 2025, the six-month filing point falls at the end of June 2026.&nbsp;<\/p>\n\n\n\n<p>The notification is not just a basic \u201cwe are in scope\u201d message. The <a href=\"https:\/\/www.ird.gov.hk\/eng\/pdf\/p2portal\/userguides\/notification.pdf\">IRD guide says<\/a> notifying entities include Hong Kong constituent entities, Hong Kong standalone joint ventures, Hong Kong members of a JV group, and certain Part 4AA stateless constituent entities.&nbsp;<\/p>\n\n\n\n<p>A group with more than one Hong Kong constituent entity can appoint one designated local entity to file the notification. A Hong Kong standalone JV or Part 4AA stateless constituent entity must file its own notification.<\/p>\n\n\n\n<p>That appointment decision should not be left to the last week. The group needs to know which Hong Kong entity will file, which entities will be covered, and who will approve the data before submission.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-form-ir1485-hong-kong-and-group-codes\"><strong>Form IR1485 Hong Kong And Group Codes<\/strong><\/h2>\n\n\n\n<p>Form IR1485 Hong Kong is one of the first admin items to handle. IRD says a unique group code will be assigned to each in-scope MNE group, Hong Kong standalone JV, or JV group.&nbsp;<\/p>\n\n\n\n<p>The Part 4AA entity needs the MNE code when accessing a top-up tax notification in the portal. A Hong Kong standalone JV or Hong Kong member of a JV group also needs a JV code. Form IR1485 must be submitted in paper form, and IRD encourages early application.&nbsp;<\/p>\n\n\n\n<p>That paper-form point is easy to underestimate. A group may have internal approval for Pillar Two filing, but still be unable to complete the portal workflow because the code application was not handled early.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-btp-pillar-two-account-registration\"><strong>BTP Pillar Two Account Registration<\/strong><\/h2>\n\n\n\n<p>The BTP Pillar Two account registration step matters because the PTP is an extended function of the Business Tax Portal. IRD says notifying entities need dedicated BTP Business Accounts to access the <a href=\"https:\/\/www.ird.gov.hk\/eng\/p2portal\/resources.htm\">Pillar Two Portal<\/a> directly. The authorised individuals who sign and submit top-up tax notifications and returns must use e-Cert (Organisational) with AEOI Functions for authentication.&nbsp;<\/p>\n\n\n\n<p>Groups using a service provider should also plan access properly. IRD allows a service provider, tax representative, or person acting for or managing a non-corporate Part 4AA entity to access PTP services for or on behalf of the entity, subject to the right appointment and BTP service agent management.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-gir-hong-kong-filing-exchange\"><strong>GIR Hong Kong Filing Exchange<\/strong><\/h2>\n\n\n\n<p>GIR Hong Kong filing exchange became more practical after Hong Kong signed the Multilateral Competent Authority Agreement on the Exchange of Global Anti-Base Erosion Information, or GIR MCAA, on 21 April 2026.&nbsp;<\/p>\n\n\n\n<p><a href=\"https:\/\/www.ird.gov.hk\/eng\/tax\/bus_beps.htm\">IRD says<\/a> this allows in-scope MNE groups to effect group GloBE filing in or outside Hong Kong under section 6 of Schedule 63 to the Inland Revenue Ordinance, subject to the exchange framework.&nbsp;<\/p>\n\n\n\n<p>This helps reduce repeated GIR filings across several jurisdictions. Still, a Hong Kong entity should not assume that another group company has handled everything. The notification may still need to identify where the GIR will be filed and how Hong Kong will receive the information.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p>Hong Kong\u2019s Pillar Two Portal has turned global minimum tax compliance into a practical local filing task. The first pressure point is the top-up tax notification, especially for calendar-year groups facing June 2026 timing. The strongest preparation is not complicated.&nbsp;<\/p>\n\n\n\n<p>Confirm the group scope, apply for Form IR1485 codes early, set up BTP access, settle GIR filing responsibility, and give the Hong Kong team enough data before the portal deadline arrives. Arnifi\u2019s expert team helps companies organise these moving parts so local finance teams can prepare cleaner filings and avoid last-minute Pillar Two admin gaps.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faqs\"><strong>FAQs:<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-what-is-the-hong-kong-pillar-two-portal\"><strong>1. What Is The Hong Kong Pillar Two Portal?<\/strong><\/h3>\n\n\n\n<p>The Pillar Two Portal is IRD\u2019s electronic system for filing top-up tax notifications and top-up tax returns for in-scope MNE groups.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-when-is-the-first-top-up-tax-notification-due\"><strong>2. When Is The First Top-Up Tax Notification Due?<\/strong><\/h3>\n\n\n\n<p>A top-up tax notification is due within six months after the last day of the fiscal year. A 31 December 2025 year-end can lead to a June 2026 filing deadline.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-what-is-form-ir1485-used-for\"><strong>3. What Is Form IR1485 Used For?<\/strong><\/h3>\n\n\n\n<p>Form IR1485 is used to apply for an MNE group code or JV code. The code is needed for Pillar Two Portal filing.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-can-a-service-provider-file-through-the-pillar-two-portal\"><strong>4. Can A Service Provider File Through The Pillar Two Portal?<\/strong><\/h3>\n\n\n\n<p>Yes. A properly engaged service provider or tax representative may access PTP services for or on behalf of the relevant entity through BTP arrangements.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hong Kong Pillar Two Portal PTP filing is now part of the real tax calendar for large multinational groups with Hong Kong entities. The first phase of the Pillar Two Portal opened on 19 January 2026, allowing in-scope groups to file top-up tax notifications online.&nbsp; For a calendar-year group with a fiscal year ending 31 [&hellip;]<\/p>\n","protected":false},"author":21,"featured_media":23889,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[4502],"tags":[],"acf":{"ai_summary_prompt":"Please summarize the content of this page: [URL]"},"contentshake_article_id":"","yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.2 (Yoast SEO v22.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hong Kong Pillar Two Portal PTP Filing Guide<\/title>\n<meta name=\"description\" content=\"Learn how Hong Kong Pillar Two Portal PTP filing works for top-up tax notifications, GIR exchange, BTP registration, and Form IR1485.\" \/>\n<meta name=\"robots\" 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