Okla. Stat. tit. 63, § 63-2-327: Application of act - Sale or transfer of certain

nonnarcotic products.

Sections 2-322 through 2-326 of this title shall not apply to

the sale or transfer of a nonnarcotic product that includes a

precursor substance defined in Section 2-322 of this title, if the

product may be sold lawfully with a prescription or over the counter

without a prescription pursuant to the Federal Food, Drug and

Cosmetic Act, 21 U.S.C. Section 301 et seq., or a rule adopted

pursuant thereto. Further, this act shall not apply to common

carriers in the transaction of business as common carriers. This

section shall not create an exemption for any person who has

knowledge that a product sold over the counter is intended to be

used to manufacture amphetamine or methamphetamine.