Mongolian civil law is based mainly on the Civil Code 2002 and related laws. It recognizes equality of private parties, personal autonomy, protection of property, freedom of contract, non-interference and compensation for damage through agreement or court protection. An international treaty takes priority where it applies. A foreign law may govern a relationship when Mongolian conflict rules allow it and its application does not conflict with Mongolian law. A person has civil legal capacity from birth until death. Full capacity generally begins at 18. A court may emancipate a person aged 16 or 17 with the required consent of parents or a guardian. People aged 14 to 17 generally have partial capacity. A legal entity acquires capacity when it is entered in the State Register and loses it through liquidation and deletion from that register. Foreign citizens and stateless persons generally have civil capacity comparable to Mongolian citizens, subject to statutory restrictions. A person may act personally, through a legal representative or through an advocate. Contracts can be oral, written, notarized or electronic, depending on the transaction. An electronic contract uses an electronic or digital signature where the law requires one. Common forms include sale, exchange, gift, loan, lease, financial leasing, land lease, franchise, pledge, hypothec and guarantee. Parties must perform properly, within the agreed time and fairly. A breach can lead to performance, compensation or contractual remedies. A transfer of all present assets requires notarization. A spousal property contract must be written and notarized. Parties may choose the governing law, but where they do not, the applicable default rule depends on the type of contract. General limitation is 10 years, while contract claims generally have a 3-year limitation period and claims concerning immovable-property contracts generally have a 6-year period. Property may be publicly or privately owned. Public ownership can belong to the state, a local authority, an ecclesiastical body or a community. Private ownership can belong to one person or jointly to several persons. Ownership normally includes possession, use, disposal and protection of the property. Rights in immovable property and related rights such as usufruct, pledge and hypothec are recorded in the integrated State Register. Land generally remains state property. Under the special land-allocation rules, private land ownership is available to Mongolian citizens for purposes such as family needs and agriculture; the Civil Code does not create a general private land-ownership claim for foreign persons. Land transfers, sales, exchanges, gifts and pledges follow statutory procedures and may involve the State Register, the Land Office and a soum or district Governor. Registration, boundaries and permitted use affect the legal position. Typical costs include stamp duty, notarial charges, appraisal and registration fees. A claim for property damage generally has a 5-year limitation period. Family relationships are governed mainly by the Family Law, the Civil Code and civil-status registration rules. Marriage generally requires both parties to be at least 18, to consent freely and to register the marriage with the state registration authority or a Mongolian diplomatic mission. Marriage rights and duties begin with registration. Divorce is handled by a court, which normally considers reconciliation first and may suspend the case for up to 3 months. That step may be omitted in cases involving violence or serious harm. Mediation or a settlement can address custody, support and jointly owned property. If the parents do not agree, the court considers the child's age, care arrangements, living conditions, the parties' capacity and conduct, and any violence. The court considers the opinion of a child aged 7 or older. Spouses, parents and children can owe mutual support duties. Child support rules include specific minimum amounts. For a child under 11, support is generally 50 percent of the regional minimum living wage. For a child aged 11 to 16, or up to 18 while attending school, it is generally at least the minimum living wage. When the debtor receives only salary or an equivalent income, deductions are generally limited to 50 percent of monthly salary. Support for a spouse or relative is generally at least the regional minimum living wage where the legal conditions apply. A notarized support agreement can support a direct judge's order and enforcement. Adoption requires written and notarized parental consent, and a child aged 7 or older must consent. An adoption application is made to the soum or district Governor, whose decision is generally issued within 20 calendar days, followed by civil-family registration. A foreign adopter normally uses the competent authority of the adopter's home state; a 6-month residence exception can apply. Guardianship generally concerns children under 14, while custody concerns children aged 14 to 17. The soum or district Governor appoints and supervises guardians and custody arrangements. Registration, notarial and court costs may apply. An insolvent child-support claimant may qualify for free legal assistance. Inheritance may follow a will or statutory succession. The estate opens on the date of death or the date on which death is declared, usually at the deceased person's last residence or where the main estate is located. Statutory heirs generally include the spouse, adopted and biological children, and parents or foster parents in equal shares. If they are absent, renounce or are disqualified, succession can pass to grandparents, siblings and grandchildren, followed by further descendants. A dependent disabled person may qualify for an equal share. A co-resident heir is generally treated as having accepted the inheritance unless that heir submits a notarized refusal to a notary or a soum or bagh Governor within 3 months. Other heirs can accept through possession or administration of the estate or by applying to a notary or soum or bagh Governor within 1 year. A late acceptance right is generally treated as relinquished, although a court may restore it for justified reasons. A certificate of the right to inherit is generally issued after 1 year, with earlier exceptions. Creditors generally have 1 year to submit claims. Heirs can distribute the estate by agreement, while disputes go to court. Civil liability can arise from a contract or from a deliberate or negligent act that harms rights, life, health, dignity, business reputation or property. Property damage may be repaired, replaced, restored or paid as a monetary loss. Compensation for non-material harm can apply to defamatory information even when no material loss is proven. Liability for defective goods may arise without a contract, although consumer-protection rules form the primary regime for consumer matters. Death or loss of working capacity can lead to periodic payments. Unjust enrichment and performance of another person's obligation are also regulated. The limitation period is generally 10 years, with a 5-year period commonly applying to property-damage claims. Mongolian civil cases are heard through the Supreme Court, aimag-level and capital-city appellate courts, and soum, inter-soum and district first-instance courts. An aimag is a province-level administrative area. A written claim is brought by a party or representative, including an advocate. Evidence may include party explanations, witness testimony, documents, physical evidence, expert opinions and audio or video. Parties have the primary responsibility to present and obtain evidence, although a court may order or collect evidence. Proceedings and documents use Mongolian. A participant who does not understand Mongolian may request an interpreter, and foreign-language evidence generally requires a licensed Mongolian translation with notarial certification. An appeal is filed through the court that decided the case. An appeal panel has three judges, and the usual review target is 30 days after receipt of the case file. The Supreme Court handles cassation or review within its jurisdiction. A plaintiff generally prepays state stamp duty. If the claim succeeds, the defendant may have to reimburse it. Court expenses can also include expert, interpreter, witness, examination, storage and travel costs, with fees depending on the tariff and proceeding. Insolvent people may qualify for free legal advice, and free advocacy is specifically available in some protected cases, including certain insolvent child-support claims. The Legal Assistance Providing Organization, its branches and state attorneys under the central legal-affairs body provide assistance within the applicable eligibility rules. Arbitration is available where the parties have an arbitration agreement. Notaries handle authentication, signatures, inheritance acts and some property acts. A final civil judgment, a simplified-procedure judge's order, a qualifying foreign or international court decision, an arbitral award, a notarized deed or another statutory order can be enforced. The Agency for Court Decision Enforcement and its bailiffs conduct enforcement. Ordinary civil decisions generally have a 4-year enforcement period. Foreign, international, arbitral and notarial categories generally have a 3-year period, while a judge's order validating enforcement measures generally has a 2-year period. Care duties and periodic payments follow special continuing rules. A creditor may ask a court to restore a missed period for justified delay. A creditor or debtor may participate in enforcement, inspect the file, obtain copies and explanations, submit requests and seek recusal of a bailiff. Measures can include notice, income deduction, property declarations, searches, registry inquiries, freezing or sealing assets, seizure of collateral, bank-asset freezes, sale or auction, management of immovable property and travel restrictions. A declaration normally has a 7-day deadline. Enforcement measures are normally carried out between 06:00 and 22:00. A debtor may be placed in the national debtor registry. A travel restriction may be possible for a capital claim above MNT 50,000,000 or for a care obligation overdue by more than 3 months when evasion, concealment or flight risk is present. Storage, transport, appraisal, sale, search and communication costs can initially be charged through the enforcement agency and can expose the creditor to costs. Bailiff orders can be challenged within the statutory period, and police may assist with searches and safety. Court, arbitration, notarial, civil-registration, legal-entity and property-registration services can each involve state stamp duty or other fees. The amount depends on the claim value, transaction value or service tariff rather than one universal rate. Legal-aid eligibility primarily depends on insolvency, which may be assessed through the integrated family-welfare database or evidence from a bagh or khoroo Governor together with proof that income is below the poverty line. Free full representation is not automatic for every civil dispute.
Civil law in Mongolia
Civil law in Mongolia governs legal relationships among private persons and organizations, including contracts, property, family matters, inheritance, liability, court proceedings and enforcement. The Civil Code 2002 protects legal capacity, ownership, contractual freedom and compensation for harm. Rights and procedures can depend on registration, location, the type of claim and the responsible authority.
Tip
Treat a civil-law matter in Mongolia as a combination of subject, deadline, evidence, formalities and responsible authority. Preserve documents and dates before negotiating or filing, because registration, notarization, language requirements and statutory time limits can determine whether a claim or transaction remains workable. Use mediation or settlement where it resolves family or property issues clearly, and use court or enforcement procedures when voluntary performance fails.

