(1) The debtor, when he effects performance, may require the instrument to be receipted by the holder.
(2) In the case of partial payment, if the debtor requires, the obligee is bound to make mention of this payment on the instrument.
Civil Act — Article 520 (The claim to subscribe receipt of instrument)
민법 제520조
For AI agents and developers — get this article as JSON, with the English and current Korean effective dates and an outdated-translation flag, from the korea-law API or as an MCP tool: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