Islamic criminal law in Aceh sharia courts hear and rule on both civil cases under Islamic law (such as divorce and inheritance) and criminal law under the "qanuns". However, civil cases continue to be the vast majority of cases heard by the court. In 2016 the courts received 10,888 first instance civil cases and 131 appeals, compared to 324 first instance criminal cases and 15 appeals. The sharia courts are part of the broader Indonesian legal system. Their decisions can be appealed to the Supreme Court, and their judges (including the chief judge) are appointed by the Supreme Court. Amnesty International said that they are
Sharia including denying one of the Islamic prophets or scriptures, insulting an angel or to refuse to accept a religious commandment. The sharia of various Islamic schools of jurisprudence specify different punishment for blasphemy against Islam, by Muslims and non-Muslims, ranging from imprisonment, fines, flogging, amputation, hanging, or beheading. In some cases, sharia allows non-Muslims to escape death by converting and becoming a devout follower of Islam. Blasphemy, as interpreted under sharia, is controversial. Muslim-majority nations have petitioned the United Nations to limit "freedom of speech" because "unrestricted and disrespectful opinion against Islam creates hatred". Other nations, in contrast, consider blasphemy