Regulated manufacturing requirements reached shops supplying medical device makers this year as different paperwork. The questions changed, the document names changed, and the reason sits in a rule that took effect in February.
Rules of this kind rarely shift in ways a supplier notices. This one is an exception, and working out what moved costs nothing.
What regulated manufacturing requirements look like now
The Food and Drug Administration published a final rule amending 21 CFR Part 820. It took effect on February 2, 2026.
Part 820 is now called the Quality Management System Regulation. The rule incorporates ISO 13485:2016 by reference, along with Clause 3 of ISO 9000:2015 for terms and definitions. Material incorporated by reference carries the same force as text written directly into the regulation.
Subparts C through O of the old Quality System Regulation were removed and reserved. The Federal Register notice states that the QMSR replaces the QS regulation.
That is a structural change rather than a cosmetic one. Requirements that used to sit in the Code of Federal Regulations as plain text now sit inside a standard the regulation points to.
Why the old section numbers stopped working
Anyone who built a quality file against the previous structure will notice the citations no longer resolve.
Familiar terms went with them. The device master record, the design history file, and the device history record were dropped as defined terms. FDA's position is that their elements are largely addressed by the medical device file and other clauses within ISO 13485.
The agency also states that the rule does not fundamentally change what a quality system has to do. Where ISO 13485 and FDA's statutory framework diverge, FDA added provisions to close the gap.
What this means for a supplier rather than a manufacturer
A machine shop cutting components for a device maker is not the regulated party. The device manufacturer is.
What flows downhill is the manufacturer's own obligation to control its suppliers. When their internal framework is rewritten, their supplier questionnaires, audit checklists, and record requests get rewritten too.
Timing varies by customer. Larger device makers moved early, so some suppliers saw new paperwork well before February while others have yet to see any change at all.
Practical effect: expect the vocabulary in those requests to shift toward ISO 13485 language, and expect questions about measurement records to keep coming. A supplier who answers in the old terminology is not wrong, only harder to process, and harder to process tends to mean slower to approve. Those records are the subject of our piece on reading a calibration certificate.
A note on reading the standard itself
ISO 13485:2016 is a standard, not a public document, so its text does not appear in the Federal Register alongside the rule.
The notice says the incorporated material is available read-only at no cost through the ANSI Incorporated by Reference portal. A supplier who wants to know what their customer is now working to can read it there before buying anything.
That distinction is worth holding onto. The regulation points to the standard. What the standard requires is a separate document, and nobody should describe its contents without reading it.
The defense side works differently
Medical device work is one regulated customer among several, and the federal interest in manufacturing capability runs deeper than most shops realize.
The Census Bureau's Quarterly Survey of Plant Capacity Utilization is co-sponsored by the Federal Reserve Board and the Defense Logistics Agency. Census publishes it as the federal source for quarterly statistics on U.S. industrial plant capacity, collecting actual production value, full capacity value, and an emergency-conditions estimate.
That third figure exists because somebody wants to know what the industrial base could produce under pressure. Defense procurement carries its own documentation expectations, and they are not the same as the medical ones.
What a supplier can do now
Ask your regulated customers which framework their current requests are built on. The answer tells you what vocabulary to use in your responses.
Keep measurement records in a form that survives a change of framework: instrument identity, date, interval, reference standard, and uncertainty. Those five items were relevant before February and remain relevant after it.
Avoid rebuilding your file around any single customer's template. Frameworks change, as this year demonstrated, and a record built on the underlying measurement facts transfers to whatever the next questionnaire asks for.
The chain those records sit in is worth understanding directly, and we take it up in our piece on measurement traceability.
Exact Machine Service: Measurement and Documentation
Exact Machine Service is a machine tool sales, field service, parts, and staffing company based in York, Pennsylvania. Our field service technicians work across a range of CNC controls, including Fanuc, Siemens, Haas, Mitsubishi, Heidenhain, and Fagor.
Where we fit:
- Machine Tool Services — Accuracy verification, Renishaw laser positioning checks, and measurement reports
- On-Site Machine Tool Repair — Geometric evaluation, laser interferometry, ballbar testing, and way and axis straightness checks
Facing a customer audit? Tell us which machines are in scope.
Works Cited
- United States, Census Bureau. "Quarterly Survey of Plant Capacity Utilization." U.S. Department of Commerce. Accessed 30 Oct. 2026.
- United States, Food and Drug Administration. "Medical Devices; Quality System Regulation Amendments." Federal Register, vol. 89, 2 Feb. 2024. Accessed 30 Oct. 2026.
