If the rent previously agreed upon by the parties has become unreasonable due to the increase or decrease of the public impost imposed upon the object leased or any other change in the economic situation, either party may demand of the other party to raise or reduce the rent for the future.
Civil Act — Article 628 (Right to demand an increase or reduction of rent)
민법 제628조
For AI agents and developers — get this article as JSON, with the English and current Korean effective dates and an outdated-translation flag, from the korea-law API or as an MCP tool: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