Any agreement entered by the parties in contravention of the provisions of Articles 627, 628, 631, 635, 638, 640, 641, and 643 through 647 which is unfavorable to either the lessee or sub-lessee shall be void.
Civil Act — Article 652 (Mandatory provisions)
민법 제652조
For AI agents and developers — get this article as JSON, with the English and current Korean effective dates and an outdated-translation flag, from the korea-law API or as an MCP tool: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