CARF: What to Report? An Interpretation of Reportable Information and Local Implementation Differences
The OECD's Crypto-Asset Reporting Framework (CARF) defines the information that Reporting Crypto-Asset Service Providers (RCASPs) must disclose annually. This report consists of three core data types: information about the RCASP itself, details on reportable users (including entity controllers), and aggregated transaction data for relevant crypto-assets (excluding certain types like CBDCs). Transaction categories include acquisitions/disposals for fiat or other crypto-assets, reportable retail payments, transfers, and transfers to unknown wallets.
However, as jurisdictions implement CARF into local law, key differences from the OECD standard emerge. Variations include whether domestic tax residents must be reported (e.g., UK and New Zealand require it; Japan and Singapore typically do not), the local currency used for reporting valuations, thresholds for retail payment transactions (e.g., 500,000 yen in Japan), specific reporting field requirements (e.g., birthplaces, Tax Identification Number formats), and rules for nil returns.
For compliance, RCASPs must integrate CARF's tax due diligence into existing KYC/AML processes, establish consistent fiat conversion and valuation mechanisms, and meticulously track jurisdictional implementation rules, as local adaptations will dictate the final data submitted to tax authorities.
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