Nonprescription Controlled-Substance Sale Limit (48 Hours)
The 48-hour limit on selling a controlled substance without a prescription.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Does state or local law require a prescription for this product?
- No: no federal, state or local law requires a prescription for it
- Contents
- Any other such controlled substance
- Form
- Liquid, in mL
- Quantity requested
- 120
- Purchaser age
- 30 years
- Date and time of this sale
- 2026-10-12T14:00
- Earlier sales to this purchaser, one per line
- 2026-10-11 09:30, 60
Result: 60 mL remain of the 120 allowed to this purchaser in 48 hours.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Does state or local law require a prescription for this product?
- Contents
- Form
- Quantity requested (mL or dosage units)
- Purchaser age
- Date and time of this sale (YYYY-MM-DDTHH:MM)
- Earlier sales to this purchaser, one per line: date and time, then the quantity
How this is calculated
Citation
21 CFR 1306.26: without a prescription, not more than 240 cc or 48 dosage units of a product containing opium, nor 120 cc or 24 dosage units of any other, to the same purchaser in any 48-hour period; purchaser at least 18; by a pharmacist; record book; only where no law requires a prescription. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.