A guarantor of payment or performance is liable to the guarantee immediately upon the default of the principal, and without demand or notice.
Okla. Stat. tit. 15, § 332
Guarantor liable on default of principal without notice
R.L.1910, § 1037.
Official source: Oklahoma Legislature. Reproduced from public-domain Oklahoma statutes; confirm against the official source for the current text. Not legal advice.