b'medicalcertificatescanbeverified.Guard-issued mariner credentials andDRUG AND ALCOHOLSAFETYAn employer or prospective employermedicalcertificatesshouldfirstbeBACKGROUND CHECKSonly needs the mariners MMC refer- addressed through the National Mar- Beyondmarinercitizenship,compe-ence number and name to completeitime Center via Live Chat, email, ortency,andmedicalfitnessforduty, the inquiry. call 1-888-IASKNMC. If the MMCadherencetofederaldrugtesting is found to be expired or otherwiserequirementsissomethingthepro-Anydiscrepanciesdetectedduringnot valid, follow up with your localspectiveemployermustverify.Ma-theonlineverificationprocessorCoast Guard Investigations Divisionrine employers are required to obtain otherconcernsregardingCoastwill be required.drug and alcohol testing information on new crewmembers, credentialed or not, that will be working in a safety sensitive position.After obtaining an individuals writ-tenconsent,themarineemployer must request specific drug and alcohol information from all the individuals previous DOT employers in the last two years. Each request should have theemployeesoriginalsignature. Ideallytherequestedinformationis received by the potential employer be-fore the individual starts performing safety sensitive duties; however, a ma-rine employer can employ the individ-ual for up to 30 days while the request is pending at previous employers. Thefollowinginformationmustbe requestedfromDOTregulatedem-ployers(aviation,marine,trucking, rail)whohaveemployedtheindi-vidual during any period during the previous two years: DOT alcohol tests with a result of 0.04 or higher.Verified positive drug tests. Refusals (including adulterated or substituted samples).Other violations of DOT drugand alcohol testing regulations.I f an individual has violated a DOT drug and alcohol regu-FOGHORN 36'