Guidance only, not legal advice. We summarise each rule in plain language and always link to the official text currently in force (BOE, Portal Jurídic de Catalunya, EUR-Lex). Spanish and Catalan laws keep their official title; their official texts are in Spanish or Catalan. Rules change: if you have a specific question, ask your trade guild, your traders’ association or a professional. Reviewed on 6 November 2026.