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EU DAC8 and UK CARF began crypto tax reporting for 2026 activity
The rules took effect on Jan. 1, 2026, with providers collecting transaction data in 2026 that can feed standardized tax-information reports in 2027.
CryptoSlate reports that crypto platforms operating in the European Union and the United Kingdom began applying new tax-reporting rules for 2026 activity on Jan. 1, 2026. In the EU, the DAC8 rules went live, while the UK’s Cryptoasset Reporting Framework, known as CARF, started the same day.
According to CryptoSlate, the reporting process runs in stages: providers collect information during 2026, submit an annual report to the relevant authority, and in some cases that authority routes the information to the user’s country of tax residence. How much coverage applies depends on the provider, the user, the activity, and the applicable reporting regime.
The outlet notes that under DAC8, crypto-asset service providers collect data on reportable transactions involving EU residents, including users who live in the provider’s own member state. For UK providers under CARF, identifying details are collected from every user, but only some overseas customers are included in annual reports.
CryptoSlate also describes differences in what authorities receive compared with what providers hold, with the reports being more standardized and compressed. It adds that provider legal entity structure can determine where account information is reported first, and that subsequent cross-border exchange depends on user location and, for UK outward exchange, whether the foreign jurisdiction has an agreement or arrangement with the UK.