property owned by another person in accordance with law. Ar cle 324 Organiza ons and individuals may, in accordance with law, possess, use, and bene t from the natural resources owned by the State, the State-owned natural resources that are used by collec ves, and the natural resources that are owned by collec ves as provided by law. Ar cle 325 The State implements a system of compensa on for the use of natural resources, unless otherwise provided by law. Ar cle 326 A usufructuary shall, when exercising his right, abide by the provisions of laws on the protec on, ra onal exploita on, and u liza on of resources and the protec on of the ecological environment. The owner may not interfere with the exercise of such rights by the usufructuary. Ar cle 327 Where a right to usufruct is ex nguished or adversely a ected due to expropria on or requisi on of the immovable or movable property, the usufructuary has the right to compensa on according to the provisions of Ar cles 243 and 245 of this Code. Ar cle 328 The right to use the sea areas that is acquired in accordance with law is protected by law. Ar cle 329 The right to explore and mine minerals, to draw water, and to use waters and mud ats to engage in aquaculture or shing that are acquired in accordance with law is protected by law. Chapter XI Right to Contractual Management of Land Ar cle 330 Rural collec ve economic organiza ons shall adopt a two- er management system, with household contractual management as the basis and integrated with the collec ve management. A system of contractual management of land is adopted in accordance with law for cul vated land, forestland, grassland, and other land used for agricultural purposes which are owned by farmers collec vely, or owned by the State and used by farmers collec vely. Ar cle 331 A person who has the right to contractual management of land is, in accordance with law, en tled to possess, use, and bene t from the cul vated land, forestland, and grassland contracted and managed by him, and to engage in agricultural produc on such as crop cul va on, forestry, and animal husbandry. Ar cle 332 The term of a contract for cul vated land is 30 years. The term of a contract for grassland ranges from 30 to 50 years. The term of a contract for forestland ranges from 30 to 70 years. Upon expira on of the term of contract as provided in the preceding paragraph, the person with the right to contractual management of land is en tled to renew the contract in accordance with the provisions of laws on rural land contrac ng. Ar cle 333 A right to contractual management of land is created at the me when the contract on the right to contractual management of land enters into e ect. The registra on authority shall issue a cer cate, such as a cer cate of the right to contractual management of land, a cer cate of the right to forestry, and the like, to the person en tled to the respec ve right to contractual management of land, and establish a register for this purpose to record and con rm such rights. Ar cle 334 The persons with the rights to contractual management of land are en tled to exchange or transfer such rights in accordance with law. The contracted land may not be used for non-agricultural construc on purposes without being approved in accordance with law. Ar cle 335 Where the rights to contractual management of land are exchanged or transferred, the par es may apply to the registra on authority for registra on; without registra on, such exchange or transfer may ti ti ti ti ti ti fl fi ti ti ti ti ti ti ti ti ti ff ti fi ti ti ti ti ti ti ff ti ti fi ti ti ti ti ti ti ti fi ti ti fi ti ti ti ti fi ti ti ti ti ti ti fi ti ti ti ti ti ti ti ti ti ti ti ti ti 37