Where the principal obligor has not notified the person who has become a surety at the request of the principal obligor that he or she has obtained a discharge by his own act, and the surety has in good faith effected performance to the obligee or otherwise has procured a discharge for value, the surety may treat his or her act of discharge as effective.
Civil Act — Article 446 (Duty of notice of discharge to surety of principal obligor)
민법 제446조
For AI agents and developers — get this article as JSON, with the English and current Korean effective dates and an outdated-translation flag, from the korea-law API or as an MCP tool: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