Statutory & Procedural Parameters
Official Form / Tax ReturnModelo 151 / Modelo 149
Legal Basis & Statutory ReferenceRoyal Decree 439/2007 (IRPF Regulations) & Ley 28/2022.
Compliance & Legal Guidance
Under Royal Decree 439/2007 (IRPF Regulations) & Ley 28/2022., the Spanish Tax Authority (AEAT) enforces strict administrative procedures. Navigating Modelo 151 / Modelo 149 requires proper sequencing, census registration via Form 030, and digital certificate authentication.