Holders of self-custodied crypto wallets worth 100,000 euros or more would have to declare them to the French tax office every year under an amendment backed by the National Assembly's Finance Committee on Friday 9 October. Amendment I-CF821 to the 2027 finance bill, filed by Charles de Courson, Jean-Pierre Bataille and Michel Castellani of the LIOT group, covers crypto assets held directly rather than with a regulated service provider, valued on 31 December each year. Failing to declare carries a fine of up to 10,000 euros. The published amendment argues that 3.5 billion euros of crypto gains were realized in France in 2021 while only 400 million euros of assets were declared to the tax office. Regulated platforms already carry reporting duties under the EU's DAC8 directive, which has applied since 1 January 2026; self-custodied wallets have sat outside that net.
A rejected budget section clouds the next step
The wallet rule was one of five crypto amendments the committee adopted last week, Cointelegraph reported. Others would make crypto-to-stablecoin swaps taxable from 2027, extend the exit tax to unrealized crypto gains above 800,000 euros, and raise the fine for platforms that refuse to hand documents to the tax office from 10,000 to 50,000 euros per request. Later on Friday the committee rejected the budget's revenue section by 31 votes to 3, so the amendments must be tabled again when the full Assembly debates the text from Tuesday 13 October, CryptoBriefing noted. An April 2026 attempt with a 5,000 euro threshold failed; the higher bar reflects a wave of targeted attacks on French crypto holders. See the SEC proposal with nine days of comments left and the CFTC's retail crypto market plan.