Government ❯ Regulations

Tax Regulations

HMRC Income Tax Regulations GST Compliance Monotributo Income Tax CBDT HMRC Guidelines Filing Deadlines Compliance Income Tax Department

IRS Lifts 2026 401(k) and IRA Caps as Roth Catch‑Up Rules Kick In

Plan sponsors face administrative updates to apply the new limits, including Roth-only catch‑ups for some high earners.

Brazil to Introduce Alphanumeric CNPJ in July 2026

IRS Grants 2025 Penalty Relief on New Tip and Overtime Reporting

HMRC Mails 200,000 Notices as Making Tax Digital for Income Tax Nears April 2026 Rollout

Mexico’s SAT Confirms No Tax on Cash Deposits

CBDT Pushes Tax Audit, ITR Deadlines to November 10 and December 10 for AY 2025-26

Argentina Extends ARCA’s Simplified Income Tax Regime to Foreign Earnings

Argentina Lifts International-Reporting Bar to $500 Million as ARCA Eases Corporate Tax Prepayments

HMRC Steps Up Warnings as Paper Tax Deadline Looms and Digital Overhaul Starts in 2026

Mexico Plans to Block Insurer VAT Credits, SAT Sees MXN 20–25 Billion a Year

ARCA Expands Payment Plans, Eases VAT Exclusion and Repeals Duplicative Reporting

IRS Updates 2026 Inflation-Indexed Tax Guidance, Corrects Tables and Credits

CBIC Extends GSTR-3B Filing Deadline To October 25 To Avoid Diwali Conflict

HMRC Clarifies Online-Sale Tax Rules as Platforms Collect Seller IDs

Buenos Aires City Joins Unified Monotributo Regime From January 2026

HMRC Pushes Testing and Confirms Exemptions as Making Tax Digital Approaches

Advisers Push '£1 Trick' to Stop Emergency Tax on First Pension Withdrawals

HMRC Sets Sunday Cutoff to Register for Self Assessment as More Savers Face Tax

Buenos Aires City Finalizes 2026 Entry Into Unified Monotax With Joint ARCA–AGIP Resolution

HMRC Sets 5 October Cut-Off for First-Time Self Assessment Registration