This free MPJE study guide teaches the federal pharmacy law the Multistate Pharmacy Jurisprudence Examination tests, organized around the current NABP competency areas.[1]
It’s interactive, not a wall of text: every module has built-in checkpoint quizzes, flashcards, and practice questions, so you learn by doing — not just reading.
The MPJE is state-specific— each state’s version blends federal pharmacy law with that state’s own statutes and board regulations, and you answer every question under the prevailing law of the state where you seek licensure.[2]
This guide focuses on the federal corecommon to every version (the Controlled Substances Act, DEA rules, OBRA-90, the FDCA, HIPAA, and packaging law); pair it with your state’s pharmacy law for the state-specific questions.
Read a module, test yourself at each checkpoint, then drill gaps with our free practice test and flashcards. This is a high-yield teaching guide, not legal advice or a substitute for the official statutes and regulations.
MPJE Exam Snapshot
| Detail | MPJE Exam |
|---|---|
| Questions | 120 items (90 scored + 30 unscored pretest) |
| Format | Computer-adaptive multiple choice; answer ≥107 items to be scored |
| Time | 3 hours |
| Passing score | Scaled score of 75 (scale 0–100); reported pass/fail |
| Administered by | NABP via Pearson VUE |
| Coverage | Federal pharmacy law + one state's pharmacy law (state-specific) |
| Cost | $100 NABP application fee per jurisdiction (+ state board fees) |
| Retake | Wait ≥30 days between attempts; limits set by the state board |
NABP’s current Competency Statements weight the exam across three areas, and Pharmacy Practice dominates at roughly four-fifths of the test:[1]
≈ 83%
Area 1 · Pharmacy Practice
Dispensing, prescription processing, controlled substances, counseling, DUR, patient care — the overwhelming majority of the exam.
15%
Area 2 · Licensure, Registration, Certification & Operational Requirements
Licensure, DEA/state registration, personnel, recordkeeping, and pharmacy operations.
2%
Area 3 · General Regulatory Processes
How laws and board rules are made, inspections, and disciplinary processes.
Because Pharmacy Practice is the overwhelming majority of the exam, this guide organizes the federal core into four study modules within that practice frame — controlled-substance law, pharmacist practice and dispensing, licensure and personnel, and pharmacy operations. These modules are teaching groupings, not NABP weights; the official three-area weighting is shown above.[1] NABP is also replacing the Competency Statements with a new Content Outline for exams administered on or after March 1, 2027, and has launched the — but the federal law taught here applies to both exams.
Module 1 · Controlled Substances & Federal Drug Law
The highest-yield federal content on the MPJE. Controlled-substance law is the most heavily tested federal material because it carries the strictest rules and the gravest consequences. Master the five DEA schedules, what makes a prescription valid, your corresponding responsibility, and the refill, partial-fill, and transfer rules — these facts appear again and again.
1.1 The DEA Schedules I–V
The sorts drugs into five schedules by abuse potential and accepted medical use, administered by the .[3] Schedule I has the highest abuse potential and no accepted U.S. medical use (heroin, LSD) — it is not dispensed at pharmacies. From down to Schedule V, abuse potential and dependence risk decrease while the refill rules loosen.
- Schedule IHighest abuse potential, NO accepted U.S. medical use (heroin, LSD). Not dispensed at pharmacies.
- Schedule IIHigh abuse potential, accepted medical use, severe dependence (oxycodone, fentanyl, amphetamine). No refills.
- Schedule IIIAbuse potential below CI–CII; moderate dependence (buprenorphine, ketamine). Up to 5 refills / 6 months.
- Schedule IVLow abuse potential (benzodiazepines, tramadol, zolpidem). Up to 5 refills / 6 months.
- Schedule VLowest abuse potential (limited-quantity codeine cough syrups, pregabalin). Up to 5 refills / 6 months.
| Schedule | Abuse potential | Examples |
|---|---|---|
| I | Highest; no accepted medical use | Heroin, LSD, marijuana (federal) |
| II | High; severe dependence | Oxycodone, fentanyl, amphetamine |
| III | Moderate-to-low dependence | Buprenorphine, ketamine |
| IV | Low | Benzodiazepines, tramadol, zolpidem |
| V | Lowest | Codeine cough syrups, pregabalin |
1.2 Valid Prescriptions & Corresponding Responsibility
A controlled-substance prescription is valid only if it is issued for a by a practitioner acting in the usual course of professional practice (21 CFR 1306.04).[6] Critically, the dispensing pharmacist shares for that legitimacy — knowingly filling an invalid prescription is itself a violation. When you see (cash for high-dose opioids, long distances traveled, early refills, identical prescriptions for many patients), you must resolve them before dispensing.
- 1
Confirm a valid prescriber
The prescriber holds an active license and a current DEA registration authorizing that drug's schedule.
- 2
Confirm a legitimate medical purpose
The prescription was issued for a legitimate medical purpose by a practitioner in the usual course of practice (21 CFR 1306.04).
- 3
Screen for red flags
Cash for high-dose opioids, long distance traveled, early refills, identical Rx for many patients, dangerous combinations.
- 4
Resolve doubts
Verify with the prescriber, check the PDMP, and exercise professional judgment before dispensing.
- 5
Dispense or decline
If the prescription is legitimate, dispense; if you cannot resolve doubt, decline to fill and document the basis.
- 6
Document
Record the verification, PDMP check, and any refusal — corresponding responsibility means the decision is yours to defend.
1.3 Refills, Partial Fills & Transfers
The refill rules are pure memorization — and heavily tested. Schedule II prescriptions may not be refilled at all. prescriptions may be refilled up to 5 times within 6 months of the date written, whichever limit comes first.[5] A is allowed: the remainder may be supplied within 72 hours, after which the balance is void and the prescriber must be notified.
For an order, the prescriber must deliver a written prescription to the pharmacy within 7 days. A of a Schedule III–V prescription for refill may occur one time only — or up to the maximum number of refills if the two pharmacies share a real-time online database. (A 2023 DEA rule also permits a one-time transfer of an electronic CII–CV prescription for its initial fill.)
| Rule | Federal limit |
|---|---|
| Schedule II refills | None — a new prescription each time |
| Schedule III–V refills | Up to 5 within 6 months of issue |
| Schedule II partial fill — supply the balance | Within 72 hours |
| Emergency oral CII — written prescription due | Within 7 days |
| CIII–V refill transfer | One time (or up to max refills if a real-time database is shared) |
1.4 Pseudoephedrine & the CMEA
The (Combat Methamphetamine Epidemic Act) limits over-the-counter sales of pseudoephedrine because it is a methamphetamine precursor. A customer may buy no more than 3.6 grams per day and no more than 9 grams within 30 days.[8] The product must be kept behind the counter, the sale recorded in a logbook with photo ID, and the logbook kept for at least 2 years.
| Requirement | Federal standard |
|---|---|
| Daily purchase limit | 3.6 grams of pseudoephedrine base |
| 30-day purchase limit | 9 grams |
| Storage | Behind the counter or in a locked cabinet |
| Sale record | Logbook with name, address, date/time, and photo ID |
| Logbook retention | At least 2 years |
Checkpoint · Controlled Substances & Federal Drug Law
Question 1 of 10
A federal standard requires that for a controlled substance prescription to be effective, it must be issued for a legitimate medical purpose. Whose conduct is being evaluated when this legitimacy standard is first applied at the point the order is written?
Module 2 · Pharmacist Practice & Dispensing
The heart of Area 1 — the largest competency area. This module covers the day-to-day legal duties of dispensing: confirming a prescription is complete and valid, verifying who may prescribe, meeting OBRA-90’s counseling and review requirements, and substituting generics correctly.
2.1 Required Prescription Elements
Before filling any prescription, the pharmacist confirms it contains the required elements: the patient’s name (and address for controlled drugs), the date, the drug name, strength, and quantity, clear directions for use, and the prescriber’s name, address, and signature — plus the prescriber’s DEA number for controlled drugs.[6] If the strength is missing or directions are unclear, the pharmacist must clarify with the prescriber — never guess.
| Element | Why it matters |
|---|---|
| Patient name (and address for controlled drugs) | Identifies who the drug is for |
| Date issued | Sets refill timelines and validity |
| Drug, strength, quantity | Defines exactly what and how much to dispense |
| Directions for use (Sig) | Tells the patient how to take it; vague directions must be clarified |
| Prescriber name, address, signature | Confirms a valid, authorized prescriber |
| Prescriber DEA number (controlled) | Confirms authority for the drug's schedule |
2.2 Prescriptive Authority & Verification
Pharmacists must verify that the prescriber is authorized for the drug ordered. Physicians, dentists, podiatrists, veterinarians, and optometrists prescribe within their licensed scope, and mid-level practitioners (nurse practitioners, physician assistants) prescribe controlled substances only as state law allows and with their own DEA registration. A podiatrist, for example, may prescribe only for conditions of the foot and ankle.
| Prescriber | Scope |
|---|---|
| Physician (MD/DO) | Broad; within medical practice |
| Dentist | Drugs related to dental care |
| Podiatrist | Conditions of the foot and ankle |
| Optometrist | Drugs for eye conditions (state-defined) |
| Veterinarian | Animal patients within veterinary practice |
| NP / PA | As state law allows, with own DEA for controlled drugs |
2.3 OBRA-90: Counseling & Drug Utilization Review
reshaped daily practice. It requires the pharmacist to perform a (prospective drug utilization review) before dispensing — screening for therapeutic duplication, interactions, contraindications, incorrect dose or duration, allergies, and abuse — and to make an the patient.[1] Although OBRA-90 technically applies to Medicaid patients, virtually every state extended it to all patients.
Counseling typically covers the drug’s name and use, dose and duration, special directions, common side effects, storage, refills, and what to do about a missed dose. The patient may decline the offer, which is then documented. If ProDUR flags a problem, the pharmacist uses professional judgment — contacting the prescriber or counseling the patient — before dispensing.
| Requirement | What it means in practice |
|---|---|
| Prospective DUR (ProDUR) | Screen each prescription for duplication, interactions, dose, allergies, and abuse |
| Offer to counsel | The pharmacist must OFFER counseling; the patient may decline |
| Patient medication record | Maintain a profile that supports DUR and counseling |
| Documentation | Record a refusal of counseling and any DUR intervention |
2.4 Generic Substitution
A pharmacist may substitute a therapeutically equivalent — one rated “A” in the FDA — unless the prescriber indicates (“brand medically necessary”) or the patient refuses.[10] Therapeutic equivalence (same active ingredient, strength, dosage form, and route) is different from therapeutic interchange, which swaps a different drug in the same class and usually needs a protocol or prescriber approval.
Checkpoint · Pharmacist Practice & Dispensing
Question 1 of 10
A pharmacist is reviewing the elements that every prescription must contain before it can be filled. Which of the following is a required identifying element of the prescriber rather than an optional convenience?
Module 3 · Licensure, Registration & Personnel
Area 2 — about 15% of the exam. This module covers who and what must be registered or licensed to operate: the pharmacy’s DEA and state registrations, the pharmacist’s own license and continuing education, and the personnel rules that govern technicians and supervision.
3.1 DEA & Pharmacy Registration
A pharmacy must hold a current state permit and, to handle controlled substances, a registration obtained on .[4] DEA registrations are renewed every 3 years. Registrants are categorized by activity (manufacturer, distributor, dispenser, etc.), and the registration must be modified for a change in business activity, location, or ownership.
3.2 Pharmacist Licensure & Continuing Education
Initial licensure requires graduating from an accredited program, passing the NAPLEX and the state’s MPJE, and completing required intern hours. Licenses are renewed periodically with continuing education, measured in continuing-education units (1 = 10 contact hours). A lapsed license is reinstated by meeting the board’s requirements, which often include completing back CE and paying fees.
| Step | Requirement |
|---|---|
| Education | Graduate from an accredited pharmacy program |
| National exam | Pass the NAPLEX (practice/clinical) |
| Law exam | Pass the state's MPJE (this guide) |
| Experience | Complete required supervised intern hours |
| Renewal | Periodic renewal with continuing education (CE) |
3.3 Personnel & Supervision
The (PIC) is legally responsible for the pharmacy’s compliance, including recordkeeping and operations. Pharmacy technicians assist with dispensing under supervision; their registration, certification, allowed duties, and the technician-to-pharmacist ratio are set by state law. Most states require a pharmacist to perform the final verification of each dispensed prescription, although some allow board-approved tech-check-tech programs in limited settings.
Checkpoint · Licensure, Registration & Personnel
Question 1 of 10
A new chain pharmacy is preparing to open and a manager asks which federal application establishes the store's authority to dispense controlled substances. Which form is the correct answer?
Module 4 · Operations, Recordkeeping & Compliance
The operational rules that keep a pharmacy legal. This module covers how controlled substances are ordered and disposed of, the inventory and recordkeeping requirements, and the packaging, privacy, and compounding standards every pharmacy must meet.
4.1 Ordering & DEA Forms
Schedule I and II controlled substances are ordered on or, more commonly, through the electronic system using a DEA-issued digital certificate; Schedule III–V drugs are ordered on a regular invoice.[4] Unwanted controlled stock is destroyed and documented on, and a theft or significant loss is reported to the DEA on .
DEA Form 224
Apply for a NEW pharmacy DEA registration to dispense controlled substances.
DEA Form 222
ORDER Schedule I/II controlled substances from a supplier (or the electronic CSOS equivalent).
DEA Form 41
Document the DESTRUCTION/disposal of unwanted controlled substances.
DEA Form 106
REPORT the theft or significant LOSS of controlled substances to the DEA.
4.2 Inventory & Recordkeeping
A newly registered pharmacy takes an of all controlled substances, then a complete at least every 2 years.[7] Schedule II is counted exactly; Schedule III–V may be estimated unless a container holds more than 1,000 dosage units. All controlled-substance records must be kept at least 2 years and be, with Schedule II records filed separately.
- 1
Initial inventory
Take an inventory of all controlled substances when the pharmacy first handles them.
- 2
Biennial inventory (every 2 years)
Take a complete controlled-substance inventory at least every 2 years; CII counted exactly, CIII–V may be estimated.
- 3
Theft/loss — notify within 1 business day
On discovering a theft or significant loss, notify the DEA in writing within 1 business day, then file DEA Form 106.
- 4
Schedule II partial fill — 72 hours
The remainder of a CII partial fill may be supplied within 72 hours; otherwise the balance is void and the prescriber is notified.
- 5
Emergency oral CII — written Rx in 7 days
After an emergency oral Schedule II order, the prescriber must deliver a written prescription within 7 days.
- 6
Retain records — 2 years
Keep all controlled-substance records readily retrievable for at least 2 years (CII filed separately).
4.3 Packaging, HIPAA & USP Standards
The requires child-resistant containers for most oral prescription drugs; a patient may request non-child-resistant packaging (a blanket waiver) and a prescriber may waive it per prescription. protects , so pharmacies use only the minimum necessary and provide a Notice of Privacy Practices.[9] Finally, the USP chapters govern compounding: USP <795> (non-sterile), (sterile), and (hazardous drugs).
| Standard | What it requires |
|---|---|
| Poison Prevention Packaging Act | Child-resistant containers; patient/prescriber may waive |
| HIPAA Privacy Rule | Protect PHI; use only the minimum necessary; provide an NPP |
| FDCA | Drug safety, labeling; no adulteration or misbranding |
| USP <795> / <797> | Non-sterile / sterile compounding standards |
| USP <800> | Safe handling and storage of hazardous drugs |
Checkpoint · Operations, Recordkeeping & Compliance
Question 1 of 10
A pharmacy submits a paper DEA Form 222 to its supplier for a Schedule II order but receives only part of the quantity, with the rest shipped later. Within what timeframe must the supplier deliver any remaining items associated with that single order form?
How to Use This MPJE Study Guide
This guide is built to be worked, not just read. The most efficient path to a pass:
- Lead with controlled-substance law. It carries the strictest rules and is the most-tested federal content — master Module 1 first.
- Pair it with your state’s law. The MPJE is state-specific; study your jurisdiction’s pharmacy practice act and board rules alongside this federal core, and answer questions under that state’s law.
- Check off as you go. Use the Study Guide Contents to mark each section done; it raises your exam-readiness score.
- Take every checkpoint. The end-of-module quizzes show you exactly which areas need another pass.
- Drill your weak area. Send it into the flashcards and a practice test until the score climbs.
MPJE Concept Questions
Common MPJE pharmacy-law concepts candidates search while studying — each answered briefly and backed by an official source. Test yourself, then drill them as flashcards.
MPJE Glossary
The high-yield MPJE terms in one place — hover any dotted term in the guide, or flip the whole deck here as a self-grading flashcard set.
- Biennial inventory
- A complete inventory of all controlled substances that a registrant must take at least every 2 years.
- CMEA
- The Combat Methamphetamine Epidemic Act — limits OTC pseudoephedrine sales to 3.6 g/day and 9 g/30 days, with behind-the-counter storage and a logbook.
- Continuing education unit
- A standardized measure of continuing education; 1 CEU equals 10 contact hours.
- Controlled Substances Act
- The 1970 federal law (Title 21) that classifies drugs into Schedules I–V and governs their manufacture, distribution, and dispensing through the DEA.
- Corresponding responsibility
- The dispensing pharmacist's shared legal duty to ensure a controlled-substance prescription is legitimate before filling it.
- CSOS
- The Controlled Substance Ordering System — DEA's program for placing electronic Schedule I/II orders with a DEA-issued digital certificate.
- DEA
- The Drug Enforcement Administration — the federal agency that registers controlled-substance handlers and enforces the Controlled Substances Act.
- DEA Form 106
- The form used to report the theft or significant loss of controlled substances to the DEA.
- DEA Form 222
- The order form (or electronic CSOS equivalent) required to purchase or transfer Schedule I and II controlled substances.
- DEA Form 224
- The application a pharmacy uses to obtain a new DEA registration to dispense controlled substances.
- DEA Form 41
- The form used to document the destruction or disposal of unwanted controlled substances.
- Dispense as written
- A prescriber instruction (DAW / 'brand medically necessary') that prohibits generic substitution.
- Emergency oral Schedule II
- A Schedule II drug dispensed on a prescriber's oral order in a genuine emergency, with a written prescription required within 7 days.
- FDCA
- The Federal Food, Drug, and Cosmetic Act — the FDA law governing drug safety, efficacy, labeling, adulteration, and misbranding.
- Generic substitution
- Dispensing a therapeutically equivalent generic unless the prescriber requires the brand or the patient refuses.
- HIPAA
- The Health Insurance Portability and Accountability Act, which protects health information through its Privacy and Security Rules.
- Initial inventory
- The inventory of all controlled substances a newly registered pharmacy takes when it first handles them.
- Legend drug
- A prescription-only drug labeled 'Rx only' that may be dispensed only on a valid prescription.
- Legitimate medical purpose
- The requirement (21 CFR 1306.04) that a controlled-substance prescription be issued by a practitioner acting in the usual course of professional practice.
- MPJE
- The Multistate Pharmacy Jurisprudence Examination — NABP's computer-adaptive law exam combining federal pharmacy law with one state's law, required for pharmacist licensure in that state.
- NABP
- The National Association of Boards of Pharmacy — develops and administers the NAPLEX and MPJE/UMPJE and supports state boards of pharmacy.
- OBRA-90
- The Omnibus Budget Reconciliation Act of 1990 — requires an offer to counsel and prospective drug-use review, adopted broadly by states.
- Offer to counsel
- The OBRA-90 requirement that the pharmacist offer to counsel the patient; the patient may decline, which is documented.
- Orange Book
- FDA's reference listing therapeutic-equivalence ratings used to determine if a generic may be substituted for a brand.
- Partial fill (Schedule II)
- Dispensing part of a CII prescription; the remainder may be supplied within 72 hours, otherwise the balance is void.
- PDMP
- Prescription Drug Monitoring Program — a state database tracking dispensed controlled substances that pharmacists often must query and report to.
- Pharmacist-in-charge
- The pharmacist legally responsible for a pharmacy's compliance with pharmacy law, recordkeeping, and operations.
- Poison Prevention Packaging Act
- Federal law requiring child-resistant containers for most oral prescription drugs, with patient or prescriber waivers permitted.
- Prescription transfer
- Moving a prescription between pharmacies for refill — one-time only for CIII–V, or up to the maximum refills if a real-time database is shared.
- ProDUR
- Prospective drug utilization review — screening a prescription before dispensing for duplication, interactions, contraindications, dose, and abuse.
- Protected health information
- Individually identifiable health information (PHI) protected under HIPAA; pharmacies use only the minimum necessary.
- Readily retrievable
- Records kept so controlled-substance information can be easily separated, identified, and produced for inspection.
- Red flags
- Warning signs of diversion (cash for high-dose opioids, long distances, early refills, identical prescriptions) that a pharmacist must resolve.
- Schedule II
- A controlled-substance schedule with high abuse potential and accepted medical use (e.g., oxycodone, fentanyl); no refills are permitted.
- Schedule III–V
- Controlled-substance schedules with progressively lower abuse potential; prescriptions may be refilled up to 5 times within 6 months.
- UMPJE
- The Uniform MPJE — NABP's newer law exam (launched 2026) using 3-option questions to test uniform state-law principles plus federal law.
- USP 797
- The USP chapter setting standards for sterile compounding to prevent contamination.
- USP 800
- The USP chapter setting standards for safely handling hazardous drugs to protect personnel and the environment.
MPJE Study Guide FAQ
The MPJE has 120 multiple-choice items — 90 scored and 30 unscored pretest items — and you have 3 hours. It is computer-adaptive, so you must answer at least 107 items to receive a score. Answer everything, since pretest items are indistinguishable from scored ones.
Per NABP's current Competency Statements, the exam is weighted Area 1 Pharmacy Practice (about 83%), Area 2 Licensure, Registration, Certification & Operational Requirements (15%), and Area 3 General Regulatory Processes (2%). Pharmacy Practice dominates, so most study time should go there.
The passing scaled score is 75 on a 0–100 scale. Since 2021, results are reported as pass or fail rather than a number. Because the exam is computer-adaptive, the score is not a simple percent correct — a candidate can answer roughly half the items correctly and still pass.
Yes. Each state's MPJE combines federal pharmacy law with that state's own pharmacy statutes and board regulations, and you must answer each question under the prevailing law of the state where you seek licensure. A separate MPJE is required for each state. This free guide teaches the federal core common to every version.
The MPJE application fee is $100 per jurisdiction, plus any state board fees (some jurisdictions add an $85 processing fee). NABP's newer Uniform MPJE (UMPJE) costs $450 total — a $100 application fee plus a $350 exam fee — with $105 per additional jurisdiction for score transfer.
Lead with federal controlled-substance law — DEA schedules, valid-prescription rules, corresponding responsibility, refills, and recordkeeping — since it is the highest-yield, most-tested federal content. Read each module, take the checkpoint, then drill gaps with our free practice test and flashcards. Pair it with your state's pharmacy law for the state-specific questions.
Yes. You must wait at least 30 days between attempts (some states require longer), reapply, and pay the fees again. The number of attempts allowed is set by each state board of pharmacy, so check your jurisdiction's rules.
The Uniform MPJE (UMPJE) is NABP's newer law exam, launched in 2026, that tests uniform state-law principles plus federal law using 3-option questions. Adopting jurisdictions are transitioning from the MPJE to the UMPJE. The federal pharmacy law in this guide applies to both exams.
Yes — the full guide, the checkpoints, the glossary, the practice test, and the flashcards are 100% free with no account required.
References
- 1.National Association of Boards of Pharmacy. “MPJE Competency Statements.” nabp.pharmacy. ↑
- 2.National Association of Boards of Pharmacy. “Multistate Pharmacy Jurisprudence Examination (MPJE).” nabp.pharmacy. ↑
- 3.U.S. Drug Enforcement Administration. “Drug Scheduling.” dea.gov. ↑
- 4.U.S. Drug Enforcement Administration. “DEA Diversion Control — Online Forms & Applications.” deadiversion.usdoj.gov. ↑
- 5.Code of Federal Regulations. “21 CFR 1306.22 — Refilling of prescriptions.” ecfr.gov. ↑
- 6.Code of Federal Regulations. “21 CFR 1306.04 — Purpose of issue of prescription.” ecfr.gov. ↑
- 7.Code of Federal Regulations. “21 CFR Part 1304 — Records and Reports of Registrants.” ecfr.gov. ↑
- 8.U.S. Drug Enforcement Administration. “Combat Methamphetamine Epidemic Act of 2005.” deadiversion.usdoj.gov. ↑
- 9.U.S. Department of Health & Human Services. “HIPAA for Professionals: The Privacy Rule.” hhs.gov. ↑
- 10.U.S. Food and Drug Administration. “Orange Book: Approved Drug Products with Therapeutic Equivalence Evaluations.” fda.gov. ↑
- 101.Code of Federal Regulations, Title 21 (eCFR). “21 CFR 1306.25 — Transfer of prescription information for refill purposes.” ecfr.gov, accessed 19 June 2026. ↑
- 102.Code of Federal Regulations, Title 21 (eCFR). “21 CFR 1306.13 — Partial filling of prescriptions.” ecfr.gov, accessed 19 June 2026. ↑
- 103.U.S. Consumer Product Safety Commission. “Poison Prevention Packaging Act.” cpsc.gov, accessed 19 June 2026. ↑
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