# FDA Warning Letter: Samm Solutions, Inc., d.b.a. BTS Research
> 2023-10-31 · Center for Drug Evaluation and Research | CDER · `1bc032e423840c43`
## Letter
- **Company:** Samm Solutions, Inc., d.b.a. BTS Research
- **Posted Date:** 2023-10-31
- **Letter Issue Date:** 2023-10-20
- **Issuing Office:** Center for Drug Evaluation and Research | CDER
## Subject
Good Laboratory Practice (GLP) for Nonclinical Laboratory Studies
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*Source: [FDA Warning Letters](https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/compliance-actions-and-activities/warning-letters) · AI Analytics · CC0 1.0*