Spain's Dual Tax-Digitization Deadlines: Verifactu and B2B E-Invoicing
Spain's tax-digitization framework imposes two concurrent obligations on businesses: Verifactu technical standards and mandatory B2B e-invoicing. Compliance deadlines remain legally fixed at 1 January 2027 for corporations and 1 July 2027 for sole proprietors, with B2B e-invoicing deadlines of 6 October 2027 for large firms and 6 October 2028 for others.