
Cryptocurrency Tax Declaration 2024: Complete Guide and Important Deadlines
Since 2023, cryptocurrency holders must declare all capital gains, regardless of the amount, with a standard 30% flat tax rate. This guide covers the essential steps for proper crypto tax declaration.
Key Declaration Requirements:
- All cryptocurrency capital gains
- Foreign crypto accounts (€1,500 fine per undeclared account)
- Purchase and sale transactions

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Declaration Process:
Form 1 - Capital Gains:
- Calculate total capital gains/losses for the year
- Convert non-euro transactions using relevant exchange rates
- Report in boxes 3AN (gains) or 3BN (losses)
Form 2 - Transaction Details:
- Access form 2086 via "Supplementary declaration"
- List all crypto sales with dates, acquisition prices, and sale prices
- Include acquisition expenses if applicable
- Report total portfolio value at time of sale
Form 3 - Foreign Platforms:
- Use form 3916 for foreign crypto wallets
- Declare all opened, held, or closed accounts abroad

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2024 Declaration Deadlines:
- Opens: April 11, 2024
- Departments 01-19 and non-residents: May 23, 2024
- Departments 20-54: May 30, 2024
- Departments 55-976: June 6, 2024

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