A condition subsequent is where an estate or interest is so given as to vest immediately, subject only to be divested by some subsequent act or event.
Okla. Stat. tit. 84, § 183
Condition subsequent defined
R.L. 1910, Sec. 8413
Official source: Oklahoma Legislature. Reproduced from public-domain Oklahoma statutes; confirm against the official source for the current text. Not legal advice.