Quality Management System Regulation (QMSR) is the U.S. FDA rule, effective February 2, 2026, that governs 21 CFR Part 820. It incorporates ISO 13485:2016 by reference, harmonizing federal quality system requirements for finished medical device manufacturers with the international standard used by regulators worldwide.
What is Quality Management System Regulation (QMSR)?
Quality Management System Regulation (QMSR) is the current title of 21 CFR Part 820, the section of U.S. federal law that sets current good manufacturing practice (CGMP) requirements for medical devices. It replaced the older Quality System Regulation (QSR) on February 2, 2026.
The defining change is incorporation by reference. Instead of spelling out each quality system requirement in its own text, Part 820 now points to ISO 13485:2016 for most requirements, then adds a small set of FDA-specific provisions on top. The result is a shorter regulation that leans on an international consensus standard rather than a separate domestic framework.
Why Quality Management System Regulation (QMSR) matters in medical device development
For any company selling finished devices in the United States, the QMSR defines what a compliant quality system looks like. A device made outside a compliant QMS is considered adulterated under the Federal Food, Drug, and Cosmetic Act, which exposes the manufacturer to warning letters, import refusals, and enforcement action.
The practical stakes are highest for global manufacturers. Before the QMSR, teams often ran two parallel systems: ISO 13485 for international markets and the QSR for the FDA. Aligning Part 820 with ISO 13485 lets a single quality system serve both, which cuts duplicate procedures and audit overhead. Companies that already hold ISO 13485 certification start from a strong position, though certification alone does not prove QMSR compliance because the FDA adds requirements the standard does not cover.
How Quality Management System Regulation (QMSR) works
The QMSR keeps a thin layer of FDA-specific text and delegates the rest to ISO 13485:2016. Sections judged substantively similar to the standard are marked “Reserved” and simply direct readers to the corresponding ISO clause. The retained and supplemental sections carry the requirements the FDA felt ISO 13485 did not fully address.
- 820.1 Scope and 820.3 Definitions: applicability, plus FDA definitions that override or supplement ISO 13485 and ISO 9000:2015 terms.
- 820.7 Incorporation by reference: the legal mechanism that pulls ISO 13485:2016 into Part 820.
- 820.10 Requirements for a quality management system: ties the QMS to applicable FDA rules for device reporting, unique device identification, and corrections and removals.
- 820.35 Control of records: explicit content rules for complaint and service records, in some respects more detailed than the old QSR.
- 820.45 Device labeling and packaging controls: label inspection and release checks, the FDA judged missing from ISO 13485.
On the same effective date, the FDA retired the Quality System Inspection Technique (QSIT) and moved to the compliance program described in CP 7382.850. Conforming edits also updated 21 CFR Part 4 for combination products. The FDA does not require ISO 13485 certification and does not issue certificates of conformity after inspections.
Common challenges and best practices
The most common mistake is treating the QMSR as identical to ISO 13485. It is not. The supplemental Part 820 sections, especially 820.10, 820.35, and 820.45, contain obligations a certified system may still miss. A gap analysis that maps existing procedures against both ISO 13485 clauses and the retained Part 820 text is the reliable way to find those gaps.
Records created before February 2, 2026, remain fair game during inspection, so a comparative analysis showing that legacy documents meet QMSR expectations helps demonstrate continuity. Good programs also update SOPs and work instructions to reference ISO 13485 clauses directly, train quality and engineering staff on the new inspection model, and keep management reviews, internal audits, supplier audits, and complaint investigations inspection-ready at all times.
How SJML helps with Quality Management System Regulation (QMSR)
SJML delivers QMSR readiness as part of its Compliance-as-a-Service offering. Its QARA team supports QMS build and remediation against ISO 13485 and MDSAP, aligns quality systems to FDA 21 CFR Part 820 and EU MDR/IVDR, and runs supplier audits, risk file upkeep under ISO 14971, and labeling and packaging reviews. Design history and technical file remediation, complaint handling, and CAPA processes round out the support, so manufacturers can move from a legacy QSR posture to a QMSR-aligned system with governance that scales on demand.
Frequently asked questions
The Quality Management System Regulation (QMSR) took effect on February 2, 2026. On that date, the FDA replaced the former Quality System Regulation within 21 CFR Part 820, retired the Quality System Inspection Technique, and began inspecting under compliance program 7382.850. The final rule itself was published on February 2, 2024, giving manufacturers a two-year transition window to prepare.
No. The QMSR incorporates ISO 13485:2016 by reference, so the standard supplies most quality system requirements, but the FDA adds its own provisions in Part 820. Sections such as 820.10, 820.35, and 820.45 impose obligations beyond ISO 13485. A certified ISO 13485 system is a strong foundation, yet it does not by itself guarantee full QMSR compliance.
No. The FDA incorporates ISO 13485:2016 into Part 820 but does not require manufacturers to hold ISO 13485 certification, and it does not issue certificates of conformity after inspections. Firms may still pursue certification for market access in other jurisdictions. FDA inspections verify that the quality system meets QMSR requirements, whether or not a certificate exists.
The QMSR applies to manufacturers of finished devices intended for commercial distribution in the United States, including foreign manufacturers importing into the country. A finished device is any device or accessory suitable for use, whether or not it is packaged, labeled, or sterilized. Some Class I devices stay exempt from full CGMP but still owe basic record and complaint obligations.
Related terms
- ISO 13485
- 21 CFR Part 820
- Design History File (DHF)
- CAPA
- MDSAP
