Okla. Stat. tit. 40, § 40-199.1: Recruiting of employment to replace employees involved

in a strike or lockout prohibited - Exceptions.

It shall be unlawful for any person, partnership, agency, firm

or corporation, labor organization or officer or agent thereof, to

knowingly recruit, procure, supply or refer any person (excluding

persons who are permanent employees of the employer involved in such

strike or lockout) who has customarily and repeatedly offered

himself for employment in the place of employees involved in strikes

or lockouts for employment in place of an employee in a business or

industry where a strike or lockout exists.

The provisions of this act shall not apply to services or work

performed by a salaried or supervisory employee of a business or

industry where a strike or lockout exists, or a person, firm or

corporation in his or its usual trade, occupation or business;

provided that such trade, occupation or business is not usually the

furnishing of strikebreakers in any labor strike or lockout; and

provided further, that the said person, firm, or corporation hiring,

recruiting, securing or offering to secure employment shall, if a

person or an unincorporated firm, be a bona fide resident of the

State of Oklahoma for a period of six (6) months prior to the strike

or lockout, or if a corporation, be chartered or duly licensed to do

business in the State of Oklahoma for a period of six (6) months

prior to the strike or lockout.