Business Rates FAQs Make sense of your bill, what happens if you cannot pay and other frequently asked questions. What is Business Rates? How is my Business Rates bill calculated? What is Business Rates revaluation? What should I do if I'm struggling to pay my Business Rates? I have received a summons, what happens now? I've received a Liability Order, what next? What is a Completion Notice? Are home based businesses subject to Business Rates?