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DOT Rule 49 CFR Part 40 Section 40.125

Subpart G - Medical Review Officers and the Verification Process

§ 40.125 What relationship may an MRO have with a laboratory?
As an MRO, you may not enter into any relationship with an employer's laboratory that creates a conflict of interest or the appearance of a conflict of interest with your responsibilities to that employer. You may not derive any financial benefit by having an employer use a specific laboratory. For examples of relationships between laboratories and MROs that the Department views as creating a conflict of interest or the appearance of such a conflict, see §40.101(b).