Signing-on crew shall have MPA’s Final No Objection email prior to departure from his/her SHN location.The crew must be certified fit-to-travel by a doctor at his/her originating country not more than 24 hours prior to departure for Singapore.The crew must have a negative result from a COVID-19 test (polymerase chain reaction (PCR) type) taken at a government-approved or ISO 15189-accredited testing facility at his/her originating country not more than 48 hours prior to departure for Singapore.Fully vaccinated crew from specific countries/regions under the Vaccinated Travel Lane may sign-on without serving SHN.They should be completely isolated in a room with a dedicated toilet with strictly no interaction with others (including family members) at their place of residence, or serve the SHN in a dedicated facility/hotel. Signing-on crew are required to serve Stay-Home-Notice (SHN) in the crew’s originating country/region in the period immediately prior to their departure flight/ferry to Singapore.The Maritime and Port Authority of Singapore (MPA) has enhanced crew change requirements, effective from 27 October 2021.