The Spanish Finance Ministry issued a statement on Monday reminding taxpayers in Catalonia that criminal prosecution may ensue if taxes were not paid on time to the correct revenue collector, which for companies and the self-employed across Spain who pay VAT, corporation tax and income tax means the state.

Earlier on Monday, Catalan First Minister Carles Puigdemont (Junts Pel Sí, "Together For Yes") announced that a newer, updated version of the Catalan Tax Agency was ready to do business and prepared for whatever happens after the illegal independence referendum on October 1. "We're rea...