# FDA Warning Letter: Linemaster Switch Corporation
> 2026-07-22 · Center for Devices and Radiological Health · `fc286c6c41e26b95`
## Letter
- **Company:** Linemaster Switch Corporation
- **Posted Date:** 2026-07-22
- **Letter Issue Date:** 2026-05-27
- **Issuing Office:** Center for Devices and Radiological Health
## Subject
CGMP/QSR/Drug/Medical Devices/Adulterated
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*Source: [FDA Warning Letters](https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/compliance-actions-and-activities/warning-letters) · MORVS · CC0 1.0*