A credentialed mariner who failed a required chemical drug test wishes to return to work aboard a vessel. In addition to satisfying 46 CFR Part 5 requirements, what must occur before the individual may be re-employed?

1. A. The OCMI must issue a written waiver and the individual must complete a USCG-approved rehabilitation program
2. ✓ The MRO must determine the individual is drug-free and that the risk of subsequent use is sufficiently low, and the individual must agree to a minimum of six unannounced tests in the first year of returnCorrect
3. C. The MRO must determine the individual is drug-free, and the individual must agree to monthly announced testing for 12 months
4. D. The marine employer must obtain written approval from the OCMI and the individual must pass two consecutive negative drug tests