(1) Land and things firmly affixed thereto shall be immovables.
(2) All things other than immovables shall be movables.
Civil Act — Article 99 (Immovables and movables)
민법 제99조
For AI agents and developers — get this article as JSON, with the English and current Korean effective dates and an outdated-translation flag, from the korea-law API or as an MCP tool:
https://mcp.apify.com?tools=kr-data/korea-law