How Spanish Quarterly VAT and Income Tax Fractional Payments Work
In Spain, self-employed workers registered under the direct estimation regime face two primary quarterly tax liabilities administered by the State Tax Agency (AEAT): Value Added Tax (Form 303) and personal income tax fractional payments (Form 130). Understanding the mathematical and regulatory mechanics of both forms is vital to avoiding cash flow crises at the end of each quarter (April, July, October, and January).
Form 303: The Value Added Tax (VAT) Settlement
VAT is a neutral indirect consumption tax. As a freelancer, you act strictly as an intermediary tax collector for the Treasury. In Form 303, you settle the difference between the VAT you invoiced and collected from clients (output VAT / IVA devengado) and the deductible VAT you paid on legitimate business purchases (input VAT / IVA deducible). If you collected more than you paid, the positive balance must be deposited into the AEAT. If you suffered more VAT than you charged, the negative credit is carried forward to offset future quarters via Box 110.
Form 130: Why Magnitudes are Cumulative Since January 1st
Unlike VAT, the fractional income tax payment (Form 130) is not an isolated quarterly snapshot. Under Articles 109 and 110 of the Spanish IRPF Regulations, you compute cumulative gross revenues and cumulative deductible business expenses (including Social Security RETA contributions) from January 1st to the end of the quarter. The statutory 20% advance rate is applied to cumulative net profit, and you then deduct cumulative withholding taxes already suffered and payments already made in prior quarters of the same tax year.
What situations are excluded from this simulator?
- Special VAT regimes: equivalence surcharge, cash accounting scheme (RECC), agricultural scheme, or travel agencies.
- General or special VAT pro-rata apportionment when carrying out both taxable and exempt activities.
- Specific statutory reductions under Article 110.3.c of the Spanish IRPF Regulations for low net income earners.
- Objective estimation regimes (modules / Form 131).