The obligor cannot claim the benefit of time under the following circumstances:
1. If the obligor has damaged, diminished or extinguished the security;
2. If the obligor has failed to perform the obligation of furnishing the security.
Civil Act — Article 388 (Forfeiture of benefit of time)
민법 제388조
For AI agents and developers — get this article as JSON, with the English and current Korean effective dates and an outdated-translation flag, from the korea-law API or as an MCP tool: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