The lapse of power of representation cannot be set up against a third person acting in good faith, unless such third person was negligent in not knowing such lapse.
Civil Act — Article 129 (Apparent representation after lapse of power of representation)
민법 제129조
For AI agents and developers — get this article as JSON, with the English and current Korean effective dates and an outdated-translation flag, from the korea-law API or as an MCP tool: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