19 October 2026 · ⏱ 1 min read
How to calculate your Social Security contribution in 2026 (recibos verdes)
Step-by-step formula: relevant income, 21.4% rate, €20/month minimum, with a real-number example for freelancers on recibos verdes in 2026.
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Practical guides on recibos verdes: Social Security, Finanças and VAT deadlines, late fines and how to never miss a deadline.
19 October 2026 · ⏱ 2 min read
"Checklist: quarterly Social Security declaration without mistakes"
"7 steps to file your quarterly income declaration without fines: deadlines, what to declare, where to file, and what to double-check before submitting."
18 October 2026 · ⏱ 5 min read
Recibos verdes: the complete 2026 guide
What recibos verdes are, who has to issue them, and a summary of all tax and contribution obligations: Social Security, IRS and VAT, with the essential 2026 deadlines.
17 October 2026 · ⏱ 4 min read
Social Security deadlines for recibos verdes
Quarterly declaration by the last day of January, April, July and October; contribution payments between the 10th and 20th (August until the 31st). 21.4% rate, €20/month minimum and what happens if you miss.
16 October 2026 · ⏱ 4 min read
The ±25% adjustment on recibos verdes: how it works
On the quarterly declaration you can declare income up to 25% higher or lower than earned. See the effect on your monthly contribution with a numeric example and when it's worth using.
15 October 2026 · ⏱ 3 min read
Late fines on the quarterly declaration: 2026 amounts
Filing late with Social Security costs €50 to €250; late IRS ranges from €150 to €3,750. Learn the exact amounts, what increases the fine and how to never pay one.
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