124B.6  Exceptions.
  The 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, §15
C91, §204B.6
C93, §124B.6
Referred to in §124B.8