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Employer Requirements for Positives: Medical Review Officers (MROs) are required to maintain a signed or stamped and dated copy of Copy 2 of the control custody form (CCF) for positive drug test determinations. Are employers subject to the same ...

Guidance on the recordkeeping requirement for positive drug tests applicable to medical review officers and employers.

Question: Employer Requirements for Positives: Medical Review Officers (MROs) are required to maintain a signed or stamped and dated copy of Copy 2 of the control...