Form 1099-DA and cross-border crypto records

The US broker-reporting timeline

Form 1099-DA reporting starts with covered broker transactions in calendar year 2025. The IRS says many 2025 statements do not include basis. For sales after 2025, the instructions require basis reporting for covered digital assets while other categories and exceptions differ.

Missing basis does not mean zero basis

A transfer from another wallet can leave the broker without your acquisition information. Reconstruct it from original records and use the correct reporting category. You remain responsible for taxable activity even if you never receive a Form 1099-DA.

International reporting is not a tax calculation

Different countries use their own rules and information-exchange systems. A US taxpayer using a foreign service still needs to review US filing obligations. Foreign-account reporting and treaty questions depend on the facts; a generic broker CSV cannot settle them.

• Match each broker statement to the account it covers.
• Document assets transferred in from other wallets.
• Check whether proceeds, basis and corrections were reported.
• Have cross-border facts reviewed separately.

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