.seo-fallback { max-width:800px; margin:0 auto; padding:2rem; font-family:system-ui,-apple-system,sans-serif; line-height:1.7; color:#333; } .seo-fallback h1 { font-size:2rem; color:#1a1a1a; margin-bottom:1rem; } .seo-fallback h2 { font-size:1.5rem; color:#1a1a1a; margin-top:2rem; } .seo-fallback p { margin-bottom:1rem; } .seo-fallback ul { padding-left:1.5rem; margin-bottom:1rem; } .seo-fallback a { color:#0066cc; } .seo-fallback .highlight { background:#f0f7ff; padding:1.5rem; border-left:4px solid #0066cc; border-radius:8px; margin:1.5rem 0; } .seo-fallback footer { margin-top:3rem; padding-top:2rem; border-top:1px solid #e5e5e5; text-align:center; color:#666; font-size:0.875rem; }

Tax Deadlines Guide 2026

Complete 2026 tax calendar for businesses in Portugal. SAF-T: day 12. VAT: day 20. Social Security: day 10-20. Modelo 22: May 31. IES: July 15.