Section 124B.6 - ExceptionsThe requirements of sections 124B.2 through 124B.5 do not apply to any of the following:
1. A licensed pharmacist or other person authorized under chapter 155A to sell or furnish a precursor substance upon the prescription of a practitioner.2. A practitioner who administers or furnishes a precursor substance to a patient.3. A vendor who holds a permit issued by the board and who sells, transfers, or otherwise furnishes a precursor substance to a practitioner or a pharmacy as defined in section 155A.3.4. A sale, transfer, furnishing, or receipt of a drug containing ephedrine, phenylpropanolamine, or pseudoephedrine or of a cosmetic containing a precursor substance if the drug or cosmetic is lawfully sold, transferred, or furnished over the counter without a prescription in accordance with chapter 126.90 Acts, ch 1251, §15C91, §204B.6 C93, §124B.6