(1) A surety is liable to perform the obligation upon which the principal obligor has defaulted.
(2) A suretyship may be made for a future obligation.
민법 제428조
(1) A surety is liable to perform the obligation upon which the principal obligor has defaulted.
(2) A suretyship may be made for a future obligation.
https://mcp.apify.com?tools=kr-data/korea-law