A nuncupative will is not required to be in writing, nor to be declared or attested with any formalities.
Okla. Stat. tit. 84, § 51
Nuncupative will need not be in writing
R.L.1910, § 8344.
Official source: Oklahoma Legislature. Reproduced from public-domain Oklahoma statutes; confirm against the official source for the current text. Not legal advice.