If the offeree has accepted an offer but subject to a condition or with any other modification, he shall be deemed to have rejected the original offer and thereby simultaneously made a new offer.
Civil Act — Article 534 (Acceptance with modification)
민법 제534조
For AI agents and developers — get this article as JSON, with the English and current Korean effective dates and an outdated-translation flag, from the korea-law API or as an MCP tool: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