It is acceptable to push back if you disagree with a Notice of Violation or 483, but you need to do it in a professional and politically correct manner.
The best way to do that is to push back during the course of the audit or while the inspection is still in progress. If the investigator indicates that he or she has a particular concern, it is important to first understand their concerns, make sure they are not misinterpreting your quality system or your process or procedure, and make sure you have presented all your appropriate artifacts and objective evidence.
What you will learn
- Push back at the right time: why challenging an observation during the inspection is far more effective than waiting for the written report.
- Understand the concern first: confirm the investigator is not misinterpreting your quality system, process, or procedure before you respond.
- Own the burden of evidence: present the documents, objective evidence, and scientific justification that support your rationale.
- Resolve on the spot: how many issues can be closed during the inspection so they never appear as a comment or 483.
- Respond in writing when needed: what to include in your response to the Establishment Inspection Report (EIR) when an issue remains open.
USDM does this during readiness assessments to make sure that if there are any observations, issues, or concerns being raised that the organization has had every opportunity to present proper documents or proper objective evidence. The burden is on you to make sure that you are presenting your case and defending your procedure. FDA investigators don’t go out of the way to ask you to present all of the evidence in support of your rationale, scientific justification, or basis for your process or procedure. You can do that in a professional and politically correct manner in order to respectfully challenge them. If they’ve indicated they have an observation or a notice of violation, take that opportunity to make sure you have presented your case and presented all of your evidence.
Why timing changes the outcome
Many issues can be resolved during the course of an investigation. If the inspection is concluded and you receive the report and there are observations there that you do not agree with or that you don’t find inaccurate, you can respond in your written response and you can indicate any additional information, artifacts, or rational. You can certainly provide additional information in the response to the Establishment Inspection Report (EIR) but in USDM’s experience, it’s better to resolve any issues while the inspection is still ongoing. Many times you can resolve issues on the spot so they don’t show in the report as a comment or a 483.
In USDM’s experience, it is better to resolve an issue while the inspection is still ongoing—many concerns can be cleared on the spot so they never appear as a comment or a 483.
How to push back the right way
A professional approach to a disputed observation
- Listen and clarify: ask the investigator to restate the concern so you understand exactly what is being questioned and confirm nothing is being misinterpreted.
- Map it to your quality system: identify the procedure, control, or process the observation touches and locate the governing documentation.
- Present objective evidence: bring forward the records, logs, and validation artifacts that demonstrate the process performed as intended. Strong data integrity and traceable electronic records make this far easier.
- Explain the rationale: articulate the scientific justification or risk-based basis behind the procedure in a respectful, fact-driven way.
- Document the resolution: confirm what was discussed and resolved so it is reflected accurately, and use the written EIR response for anything that remains open.
Inspection readiness is not something you assemble the week before an investigator arrives. Maintaining inspection-ready quality systems and records as part of an ongoing continuous compliance discipline means your objective evidence is already organized, traceable, and defensible when a concern is raised. The same is true for electronic records expectations under 21 CFR Part 11—when audit trails and records controls are in good standing, presenting your case is straightforward rather than scramble. Observations that touch suppliers or partners are easier to defend when third-party risk management is already documented.
USDM’s audit experience
USDM Life Sciences has a combination of over 100 years in regulatory compliance, Quality Assurance, Quality Systems and auditing. USDM’s auditors in the Global Audits Practice Team perform audits on Pharmaceutical, Biotech and Medical Device companies in the US and abroad.
FAQ: Pushing Back on a 483 or Notice of Violation
Is it acceptable to disagree with an FDA investigator during an inspection?
Yes. It is acceptable to push back if you disagree with a Notice of Violation or 483, as long as you do it in a professional and politically correct manner. The most effective time is during the inspection itself, while you can still understand the investigator’s concern and present your evidence.
When is the best time to challenge an observation?
While the inspection is still in progress. In USDM’s experience, it is better to resolve issues on the spot so they never appear in the report as a comment or a 483, rather than waiting for the written report and disputing it afterward.
Who has the burden of presenting evidence?
You do. FDA investigators don’t go out of their way to ask you to present all of the evidence supporting your rationale, scientific justification, or basis for a process. It is on you to make sure you have presented your case, your documents, and your objective evidence.
Can I still respond after the inspection is over?
Yes. If the inspection is concluded and you receive observations you disagree with, you can respond in your written response to the Establishment Inspection Report (EIR) and include additional information, artifacts, or rationale. Resolving issues during the inspection is preferable, but the written response is still a meaningful channel.
How does inspection readiness help me push back?
Readiness assessments and continuous compliance practices make sure your documents and objective evidence are organized and defensible before observations are raised, so you have every opportunity to present your case clearly when a concern comes up.