Under 46 CFR §16.250, when a marine employer directs a crewmember to submit to a reasonable cause drug test, what documentation requirement applies if the vessel maintains an official log book?

1. A. The employer must file a written report with the nearest OCMI within 24 hours.
2. ✓ The fact that the individual was directed to provide a urine specimen must be entered in the vessel's official log book.Correct
3. C. The employer must obtain a signed statement from two supervisors before logging the event.
4. D. The test result, once received from the laboratory, must be entered in the official log book.