Due to U.S. Treasury requirements, Keystone cannot offer refunds to students with a non-U.S. address. Money paid will be refunded upon receipt of returned course materials. To request cancellation, contact Student Services at 800.255.4937. Please note that The Keystone School is not able to accept enrollments from students located in the following countries: Afghanistan, Austria, Belarus, Belgium, Bosnia/Herzegovina, Brazil, Bulgaria, Burma (Myanmar), Central African Republic, China, Crimea Region, Croatia, Cuba, Cyprus, Czech Republic, Democratic Republic of the Congo, Denmark, Donetsk People's Republic, Estonia, Ethiopia, Finland, France, Germany, Greece, Hungary, Iceland, India, Iran, Iraq, Ireland, Italy, Latvia, Lebanon, Libya, Liechtenstein, Lithuania, Luhansk People's Republic, Luxembourg, Mali, Malta, Montenegro, Netherlands, Nicaragua, North Korea, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Russia, Serbia, Slovakia, Slovenia, Somalia, South Sudan, Spain, Sudan, Sweden, Syria, United Kingdom, Venezuela, and Yemen.