# Federal — retail sale (regulated sellers, including mobile retail vendors), daily limit — Pseudoephedrine purchase limits: federal gram limits and stricter state rules For Federal, jurisdiction is Federal — retail sale (regulated sellers, including mobile retail vendors), daily limit; daily limit is 3.6 grams of pseudoephedrine base; statute or regulation citation is 21 CFR 1314.20(a), recorded from its source on 2026-08-18. - **Jurisdiction:** Federal — retail sale (regulated sellers, including mobile retail vendors), daily limit _(our reading, not quoted from the source)_ - **Daily limit:** 3.6 grams of pseudoephedrine base _(verified: appears in the quote below)_ - **Statute or regulation citation:** 21 CFR 1314.20(a) _(our reading, not quoted from the source)_ ## What the source says > Without regard to the number of transactions, a regulated seller (including a mobile retail vendor) may not in a single calendar day sell any purchaser more than 3.6 grams of ephedrine base, 3.6 grams of pseudoephedrine base, or 3.6 grams of phenylpropanolamine base in scheduled listed chemical products. ## Source - https://www.ecfr.gov/current/title-21/chapter-II/part-1314 Last verified: 2026-08-18. Review by: 2027-08-18. Part of [Pseudoephedrine purchase limits: federal gram limits and stricter state rules](https://referencesource.org/pseudoephedrine-purchase-limits-by-state/).