Okla. Stat. tit. 68, § 68-500.53: Failure to obtain required licenses - Penalties

No person shall engage in any business activity in this state as

to which a license is required by this act unless the person shall

have first obtained the license. Any person who negligently

violates this section is subject to a civil penalty in the amount of

One Thousand Dollars ($1,000.00). Any person who knowingly violates

or knowingly aids and abets another to violate this section with the

intent to evade the tax levied by this act shall be guilty of a

misdemeanor and shall, upon conviction, be fined not more than One

Thousand Dollars ($1,000.00), or be sentenced to a term of not more

than one (1) year in the county jail, or shall be punishable by both

such fine and imprisonment.