ISDE subsidy refused — what do I do?
Object to RVO within 6 weeks. Success rate on administrative error: 60-80%. 5 typical refusal grounds + defense.
5 typical ISDE refusals + defense: (1) "Application late" — 24-month window from invoicing; count exactly and object if within window; (2) "Installer not certified" — show BRL certificate or installer mark; if missing: have installer get certification; (3) "Measure not on subsidy list" — compare specs with RVO product list; (4) "Insulation under min Rc" — show installer declaration + re-measurement; (5) "Payment not traceable" — attach bank statement (no cash). Plan: written objection within 6 weeks of refusal to RVO; include name, file number, grounds, signature. On continued refusal: appeal to Cbb (Trade and Industry Appeals Court, €366 court fee 2026). Housing associations + HOAs: special ISDE coupon procedure.