Necklace is acceptable.
And under SQF it is acceptable as well.
In general a medical necklace or bracelet is not considered jewelry.
The issue with the bracelet however is that it can become foreign contamination, cause a safety issue, etc.
We allow medical necklaces, but dis-allow the medical bracelets - we also require the employee to inform us if they are wearing a medical id necklace and they are required to be worn inside of garments.
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