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IAS Regulation meaning

What does IAS Regulation mean?
The IAS Regulation describes the EU rule requiring listed groups to prepare consolidated financial statements using International Financial Reporting Standards (IFRS). It is set out in Regulation (EC) No 1606/2002 and has applied for financial years beginning on or after 1 January 2005. It mandates IFRS as adopted by the EU for the consolidated accounts of companies whose securities are admitted to trading on an EU regulated market, and permits Member States to extend IFRS to individual accounts and to unlisted entities. In Ireland, the Regulation applies directly and Irish listed issuers prepare consolidated financial statements under EU-adopted IFRS. In the UK (England & Wales, Scotland and Northern Ireland), the IAS Regulation applied until 31 December 2020; from 1 January 2021 the requirement is carried into domestic law: UK issuers on a UK regulated market must use UK-adopted international accounting standards under the Companies Act 2006 (as amended), while issuers with an EU listing must use EU-adopted IFRS for that market. The term is defined in legislation and is routinely used in corporate reporting, capital markets and finance documentation.
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NEWS
UK employment law weekly update: ERB IAs red-rated; Get Britain Working; NHS manager regulation; 2025 statutory pay rates; FCA/PRA remuneration reforms; tribunal and Northern Ireland procedural changes

In this issue: Horizon scanning Public sector Pay Benefits Tax Protected characteristics Maternity, parents, and carers Corporate governance Financial services and banking: employment issues Bribery, modern slavery, tax evasion and fraud Settlement Employment Tribunals Northern Ireland Dates for your diary Trackers New Q&As Employment resources on Lexis+® Daily and weekly news alerts Horizon scanning RPC publishes red-rated opinion on Employment Rights Bill Impact Assessments The Regulatory Policy Committee has issued its view on the Employment Rights Bill’s Impact Assessments, rating them not fit for purpose. The Bill, which intends to revise employment rights, redundancy procedures and labour market enforcement, was examined via a summary IA and 23 standalone IAs. Eight of those individual assessments were found wanting, with six in the highest impact bracket. The RPC advises adding broader macro-economic analysis and stronger evidence for the case for intervention, the selection of options, and the...

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View the related Practice Notes about IAS Regulation

PRACTICE NOTES
EU Invasive Alien Species Regulation 1143/2014: practitioner briefing on scope, Union list (2025 update), restrictions, permits, enforcement, eradication, management, penalties and criminal liability

Key information IAS Regulation title: Regulation (EU) 1143/2014 on preventing and managing the introduction and spread of invasive alien species (the IAS Regulation) Entry into force: 01/01/2015 Transposition deadline: N/A; as a directly applicable Regulation, no national transposition is required Amendments: Regulation (EU) 2016/2031 on protective measures against pests of plants, amending Regulation (EU) 228/2013, Regulation (EU) 652/2014 and Regulation (EU) 1143/2014, and repealing Council Directive 69/464/EEC, Directive 74/647/EEC, Directive 93/85/EEC, Directive 98/57/EC, Directive 2000/29/EC, Directive 2006/91/EC and Directive 2007/33/EC Applicable from: 14 December 2019 Subject: Invasive species Background The EU Biodiversity Strategy to 2020, adopted in May 2011, announced a dedicated law to address invasive alien species. Its fifth target sought that, by 2020, IAS would be identified, priority species controlled or removed, and pathways managed to stop new invasions undermining European biodiversity. Action 16 committed to creating a legal framework to combat IAS. The Strategy’s mid-term review (October 2015) clarified the case for the IAS Regulation,...

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PRACTICE NOTES
UK corporation tax treatment of foreign exchange: loan relationships, derivatives, hedging (Disregard/EGLBAGL), functional currency, chargeable gains, anti-avoidance, and 2026 transfer pricing changes

FORTHCOMING CHANGE relating to the treatment of forex under UK transfer pricing rules: From 1 January 2026, the Finance Bill 2026 introduces a series of updates to the UK transfer pricing framework. Among the measures are changes that bring foreign exchange gains and losses arising on loan relationships and derivative contracts within the main transfer pricing rules, while leaving the tax rules for forex hedging untouched. Previously, such amounts were adjusted under bespoke provisions in the loan relationships and derivatives regimes addressing non‑arm’s length transactions. The changes also broaden the existing loan relationships anti‑avoidance rule in CTA 2009, s 452, to accommodate a new election allowing companies to be treated as guarantors of a non‑arm’s length borrowing for transfer pricing purposes. For further detail, refer to News Analysis: Budget 2025—Tax analysis—International and Tax—publication of Finance Bill 2026. Numerous entries in a company’s corporation tax return will be tax‑adjusted figures sourced from accounts prepared in line with generally accepted accounting practice (GAAP)—either UK GAAP or international accounting standards (IAS). In...

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PRACTICE NOTES
Comprehensive glossary of UK restructuring and insolvency terms, covering Companies Act schemes, Part 26A plans, IA 1986 processes, and cross‑border concepts including COMI, UNCITRAL and assimilated EU rules.

This glossary sets out numerous expressions regularly encountered in the restructuring & insolvency sphere. Words shown in bold within definitions are themselves explained in other entries in this glossary as well. A Article X The MLIJ contains a single provision named Article X, aimed at jurisdictions that have already implemented the MLCBI, like England, or are weighing its adoption. Article X states: ‘Not withstanding any prior interpretation to the contrary, the relief available under [insert a cross-reference to the legislation of this State enacting Article 21 of the UNCITRAL Model Law on Cross-Border Insolvency] includes recognition and enforcement of a judgment’ (see Practice Note: UNCITRAL model law on recognition and enforcement of insolvency-related judgments (MLIJ): Article X). Asset-backed security (ABS) A form of security anchored by asset pools, for example loans, leases, and credit card receivables. Assimilated law From 1 January 2024, ‘retained law’ has been retitled ‘assimilated law’. The body of domestic law originally arising from EU obligations, created by the European...

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