Iowa law prohibits the over-the-counter purchase of more than one package of a product containing pseudoephedrine in a twenty-four-hour period or of more than seven thousand five hundred milligrams of pseudoephedrine within a thirty-day period. If you purchase a product containing pseudoephedrine, you are required to sign a logbook which may be accessible to law enforcement officers.
Iowa Code § 126.23A
Referred to in §124.212, 124.213, 126.23B, 602.8105, 714.7C, 805.8C(6)
Theft of pseudoephedrine, see §714.7C