Author: Spain Handbook Editorial Team

Autónomo setup costs in Spain include the 2026 RETA brackets, minimum monthly quotas, and Social Security fees.

Proper freelance invoice organization in Spain protects workers from tax audits using chronological digital folders and separate business banking accounts.

Spanish cryptocurrency taxation rules explain how the Agencia Tributaria handles digital asset sales, token swaps, mining rewards, and overseas holdings.

Spanish income tax and value-added tax differences are explained, detailing how IRPF and IVA operate for residents and freelancers.

Spanish tax residency rules for foreign rental income explain deductible expenses, empty property taxes, and bilateral treaties to avoid double taxation.

Tax residency tie-breakers help expats resolve conflicting claims when two countries demand taxes on their global income simultaneously.

The strict six-month application deadline for the Spain Beckham Law starts on your official Social Security registration date.

The Spanish 24 percent flat tax eligibility checklist details the six-month deadline, non-residency requirements, and relocation rules.

The step-by-step manual process for expats to secure a Spanish digital certificate using only a foreign passport and paper NIE.

Clave PIN and Clave Permanente offer two distinct security levels for accessing Spanish government administration with your NIE.