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21 CFR 803.53

If I am a manufacturer, in which circumstances must I submit a 5-day report?

  • Inspections citing it: 5
  • Of those classified, ended OAI: 40%
  • Last cited: FY2019

Inspections Citing It by Fiscal Year

Sites in and outside the US, FY2017 to Oct 20, 2026.

Regulation Text

eCFR, as of Nov 6, 2026

You must submit a 5-day report to us with the information required by § 803.52 in accordance with the requirements of § 803.12(a) no later than 5 work days after the day that you become aware that:

(a) An MDR reportable event necessitates remedial action to prevent an unreasonable risk of substantial harm to the public health. You may become aware of the need for remedial action from any information, including any trend analysis or

(b) We have made a written request for the submission of a 5-day report. If you receive such a written request from us, you must submit, without further requests, a 5-day report for all subsequent events of the same nature that involve substantially similar devices for the time period specified in the written request. We may extend the time period stated in the original written request if we determine it is in the interest of the public health.

Open 21 CFR 803.53 on eCFR

Counts are inspections with posted citations that cite any paragraph of the section, once per inspection, from FDA's Data Dashboard. OAI share is over inspections FDA finally classified. Text from eCFR, the official online CFR. FDA Data Dashboard and eCFR

Logos are each company's own site icon, matched by name through Wikidata.Company names and logos identify the companies in public FDA and registry records and do not imply endorsement.