Okla. Stat. tit. 21, § 21-1301: Masks and hoods - Unlawful wearing of - Exceptions

It shall be unlawful for any person in this state to wear a

mask, hood or covering, which conceals the identity of the wearer

during the commission of a crime or for the purpose of coercion,

intimidation or harassment; provided, the provisions of Section 1301

et seq. of this title shall not apply to the pranks of children on

Halloween, to those going to, or from, or participating in

masquerade parties, to those participating in any public parade or

exhibition of an educational, religious or historical character, to

those participating in any meeting of any organization within any

building or enclosure wholly within and under the control of said

organization, and to those participating in the parades or

exhibitions of minstrel troupes, circuses or other amusements or

dramatic shows. Any person, or persons, violating the provisions of

this section, shall be deemed guilty of a misdemeanor, and upon

conviction thereof, shall be punished by a fine of not less than

Fifty Dollars ($50.00) nor more than Five Hundred Dollars ($500.00),

or by imprisonment in the county jail for a period of not exceeding

one (1) year, or by both such fine and imprisonment.