TLDR
Recent tightening includes the European Unions DAC8 (applies across 27 member states), the United Kingdoms CARF-based data collection, and Colombias new mandatory reporting regime; France added self?custody wallet declarations.
- EU: DAC8 requires crypto platforms to collect and share tax data across the bloc starting in 2026, with first reports due in 2027 per the directive.
- UK: exchanges began CARF data collection on Jan 1, gathering transaction details and tax residency for HMRC per a policy update.
- Colombia: DIAN now mandates platforms report user and transaction data, with the first filing due May 2027 per a regulator-aligned notice.
Deep Dive
1. EU DAC8
The EUs DAC8 extends tax transparency to crypto across all member states, obliging service providers to verify user tax details and report transaction-level data beginning in 2026, with cross?border exchange of information in 2027 per the directive above.
- A parallel global push is underway via OECDs CARF, with countries such as the UK, Germany, France, Japan, South Korea, and Brazil beginning implementation on Jan 1 per a market report.
- France separately tightened oversight by requiring self?custody wallet holders to declare balances over 5,000, expanding scrutiny beyond exchanges per a regulatory summary.
If youre an EU resident (or use platforms serving the EU), expect standardized tax data collection and sharing, raising the bar on documentation and accuracy.
2. UK CARF Rollout
From Jan 1, UK exchanges must collect complete transaction records and tax residency details under CARF for HMRC, with data sharing planned from 2027 per a policy update above.
- CARF aims to close reporting gaps by automating tax data flows across jurisdictions; first annual reports are expected in 2027 per a global overview.
UK investors should assume HMRC will have a clearer picture of gains, disposals, and residency, increasing the importance of clean records and reconciliations.
3. Colombia Mandatory Reporting
Colombias tax authority DIAN now requires exchanges and intermediaries to report user identity, transaction volumes, asset values, and year?end balances for the 2026 tax year, with the first annual filing due by May 2027 per a news brief and a policy explainer.
- This aligns Colombia with OECD CARF, closing cross?border loopholes and enabling automatic information exchange.
Platforms serving Colombian residents will ramp up compliance; users should expect tighter verification and reduced privacy on undeclared activity.
Conclusion
The tightening is broad: EU?wide (DAC8), UK (CARF), Colombia (mandatory reports), and France (self?custody declarations), with others beginning CARF. The common thread is automated, standardized tax data collection and sharing. If you move across jurisdictions or use multiple wallets and venues, stronger record?keeping and reconciliation will matter more than ever.
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