Indonesia mainly uses a civil-law system, in which written rules are the central source of law. The Constitution stands above statutes, government regulations, presidential rules, ministerial rules, and valid regional regulations. The Indonesian word for law is hukum. National rules are made and applied by several institutions, so a legal question may involve legislation, an implementing regulation, and an administrative decision at the same time. Indonesia also recognizes adat, meaning customary rules connected to particular communities. Adat can matter in areas such as land, inheritance, or community relations, but it does not automatically override national law. Islamic law has a defined role for Muslims in certain personal matters, especially marriage, divorce, and inheritance. Religious Courts generally handle these matters, while General Courts handle most civil and criminal cases. The court structure includes first-instance courts, High Courts, and the Supreme Court. The Constitutional Court separately decides important constitutional questions, including reviews of statutes against the Constitution. Many everyday legal issues begin outside court. A person may first collect documents, contact the other party, complain to an authority, request mediation, or seek advice before filing a formal case. Administrative bodies also make decisions about licenses, immigration status, land records, taxes, and other public matters. Some government decisions can be challenged through administrative objections or the State Administrative Courts. Access to justice can be difficult because procedures, language, travel, cost, and proof all matter. Legal-aid organizations, licensed advocates, notaries, and land deed officials have different roles, so the right professional depends on the problem.
Law in Indonesia
Law in Indonesia consists of national legislation, regulations, court procedures, and some locally recognized customary and religious rules. It defines people’s rights and duties and provides ways to resolve disputes. The applicable route depends on the subject, the place, and the people involved.
Tip
Start by identifying whether the issue is civil, criminal, administrative, religious, or customary. Keep every relevant document and obtain qualified help before signing, paying, admitting fault, or missing an official response. A calm written record often makes the next step much clearer.

