{"id":6053,"date":"2026-04-21T17:48:20","date_gmt":"2026-04-21T07:48:20","guid":{"rendered":"https:\/\/insight.thomsonreuters.com.au\/business\/?post_type=insight_resource&#038;p=6053"},"modified":"2026-04-22T11:11:50","modified_gmt":"2026-04-22T01:11:50","slug":"managing-global-minimum-tax-across-data-reporting-and-risk","status":"publish","type":"insight_resource","link":"https:\/\/insight.thomsonreuters.com.au\/business\/resources\/resource\/managing-global-minimum-tax-across-data-reporting-and-risk","title":{"rendered":"Managing Global Minimum Tax across data, reporting and risk"},"content":{"rendered":"\n<p>Global Minimum Tax (GMT) is now in effect across many jurisdictions, with Australia moving alongside other major economies. For multinational enterprises, Pillar Two introduces a new layer of compliance that extends well beyond calculating a top\u2011up tax.<\/p>\n\n\n\n<p>Tax and finance teams must now manage increased data demands, complex jurisdiction\u2011level calculations and new reporting obligations\u00a0\u2013 all while maintaining consistency across provision, compliance and disclosures.<\/p>\n\n\n\n<p>This whitepaper examines how multinational tax teams can build the data, processes and controls needed to manage Global Minimum Tax with confidence.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Global Minimum Tax changes the compliance equation<\/h2>\n\n\n\n<p>Under the <a href=\"https:\/\/www.oecd.org\/en\/topics\/sub-issues\/global-minimum-tax\/global-anti-base-erosion-model-rules-pillar-two.html\" type=\"link\" id=\"https:\/\/www.oecd.org\/en\/topics\/sub-issues\/global-minimum-tax\/global-anti-base-erosion-model-rules-pillar-two.html\">OECD\u2019s Pillar Two rules<\/a>, multinational enterprise (MNE) groups with consolidated revenue above \u20ac750 million (approximately AUD 1.2 billion) are subject to a 15% global minimum effective tax rate. While the rules are globally aligned, implementation and administration occur at the local level, adding complexity for organisations operating across borders.<\/p>\n\n\n\n<p>For Australian\u2011headquartered groups and inbound multinationals, GMT:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Expands jurisdiction\u2011by\u2011jurisdiction calculations<\/li>\n\n\n\n<li>Introduces the GloBE Information Return (GIR)<\/li>\n\n\n\n<li>Increases scrutiny of data consistency and audit support<\/li>\n\n\n\n<li>Affects tax provision, forecasting and transaction planning<\/li>\n<\/ul>\n\n\n\n<p>The result is an ongoing operational obligation that requires coordination across tax, finance, HR and legal teams.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Data requirements are broader and more detailed<\/h2>\n\n\n\n<p>GMT calculations rely on significantly more data than traditional corporate tax reporting. In addition to financial and tax information, organisations must draw on corporate structure and employee\u2011related data, often at a level of granularity not previously required.<\/p>\n\n\n\n<p>Many <a href=\"https:\/\/insight.thomsonreuters.com.au\/business\/resources\/resource\/shifting-dynamics-in-global-taxation-whitepaper#gate_widget-1\" type=\"link\" id=\"https:\/\/insight.thomsonreuters.com.au\/business\/resources\/resource\/shifting-dynamics-in-global-taxation-whitepaper#gate_widget-1\">tax teams face challenges<\/a> where:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Data is spread across multiple systems and functions<\/li>\n\n\n\n<li>Information is not available in the required format or timeframe<\/li>\n\n\n\n<li>Manual adjustments introduce risk and inconsistency<\/li>\n<\/ul>\n\n\n\n<p>This whitepaper outlines the key data categories required under Pillar Two and explains how data ownership, governance and frequency impact compliance outcomes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Reporting timelines start earlier than expected<\/h2>\n\n\n\n<p>Although initial filing deadlines may appear manageable, GMT preparation begins much earlier. Transitional safe harbours, local rule variations and evolving guidance mean tax teams must monitor positions continuously.<\/p>\n\n\n\n<p>Senior tax and finance leaders are increasingly expected to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Estimate potential top\u2011up taxes<\/li>\n\n\n\n<li>Explain outcomes to CFOs, boards and auditors<\/li>\n\n\n\n<li>Support business decisions with forward\u2011looking insights<\/li>\n<\/ul>\n\n\n\n<p>Without clear workflows and controls, these demands can quickly strain resources.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Managing risk through consistency and control<\/h2>\n\n\n\n<p>Global Minimum Tax introduces new risk considerations. Inconsistency across calculations, reports or jurisdictions can create exposure\u00a0\u2013 even where overall tax outcomes appear reasonable.<\/p>\n\n\n\n<p>Managing this risk requires:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Standardised data and calculation processes<\/li>\n\n\n\n<li>Clear audit trails and documentation<\/li>\n\n\n\n<li>Technology that supports repeatability and change management<\/li>\n<\/ul>\n\n\n\n<p>The whitepaper explores how organisations are strengthening governance and controls to support sustainable compliance.<\/p>\n\n\n\n<p><strong>Download the whitepaper to understand how to manage Global Minimum Tax across data, reporting and risk.<\/strong><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The OECD\u2019s Pillar Two Global Minimum Tax is now in effect, creating new compliance and reporting obligations for Australian multinational groups. This whitepaper explains what Australian tax and finance leaders need to know: from ATO alignment and data requirements to building scalable processes that support ongoing Pillar Two compliance.<\/p>\n","protected":false},"author":5,"featured_media":6057,"template":"","categories":[1315,687,659],"tags":[138,1307,1329,1335,1373],"resource_type":[638],"insight_job_role":[805,807,808,1361,882],"insight_practice_area":[1294,948],"class_list":["entry","author-traus","has-excerpt","post-6053","insight_resource","type-insight_resource","status-publish","has-post-thumbnail","category-global-minimum-tax","category-global-reporting-compliance","category-global-tax-reporting","tag-compliance","tag-global-minimum-tax","tag-gmt","tag-pillar-2","tag-pillar-two","resource_type-whitepaper","insight_job_role-chief-tax-officer","insight_job_role-head-of-international-tax","insight_job_role-head-of-tax","insight_job_role-tax-manager","insight_job_role-tax-manager-director","insight_practice_area-tax-and-accounting","insight_practice_area-tax-law","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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