Tax Declaration 2026: Complete Guide

// Metadata

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title: "Tax Declaration 2026: Complete Guide",

description: "The 2026 income tax declaration (for 2025 income) opens in April. Key dates: paper May 21, online May 26-June 9. Tax brackets up 1.8%, remote work…",

author: "Thomas Bernard",

lastUpdated: "30 April 2026",

canonical: "https://checkeverything.fr/en/blog/tax-declaration-2026-calendar",

};

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{

"@type": "Question",

"name": "What if I miss the deadline?",

"acceptedAnswer": {

"@type": "Answer",

"text": "Late filing incurs 10% penalty, plus 0.2% interest per month. It's important to file on time even if you cannot pay immediately."

}

},

{

"@type": "Question",

"name": "Can I correct after submission?",

"acceptedAnswer": {

"@type": "Answer",

"text": "Yes, the correction service opens in August through December each year. You can modify your declaration during this period."

}

},

{

"@type": "Question",

"name": "Do students need to declare?",

"acceptedAnswer": {

"@type": "Answer",

"text": "Only if earning above the threshold (€4,852 for 2025) or if they want to detach from their parents' declaration. Part-time jobs may still be covered by parents."

}

},

{

"@type": "Question",

"name": "What about crypto gains?",

"acceptedAnswer": {

"@type": "Answer",

"text": "Capital gains from cryptocurrency sales must be declared on Form 2086. Gains are taxed as capital income at the standard rate or optionally at a flat 30%."

}

},

{

"@type": "Question",

"name": "How does automatic declaration work?",

"acceptedAnswer": {

"@type": "Answer",

"text": "If your situation is straightforward (salaried, standard deductions, no major changes), the tax authorities pre-fill your declaration. You simply review and validate."

}

},

{

"@type": "Question",

"name": "What is the remote work deduction?",

"acceptedAnswer": {

"@type": "Answer",

"text": "Employees working from home can claim €2.50 per day of remote work, up to a maximum of €650 per year, as a deduction from taxable income."

}

}

]

};