If a person without power of representation concludes a contract as an agent of another, such contract shall not be effective against the principal, unless it is ratified by the principal.
Civil Act — Article 130 (Unauthorized representation)
민법 제130조
For AI agents and developers — get this article as JSON, with the English and current Korean effective dates and an outdated-translation flag, from the korea-law API or as an MCP tool: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