C1.2.a. Will a medical examination under the IMO’s STCW Convention meet the MLC, 2006 requirements? C1.2.b. What is the period of validity for a medical certificate? C1.2.c. Can a seafarer ever work without a medical certificate? C1.2.d. What happens if a medical certificate expires during a voyage? C1.2.e. Who can issue a seafarers’ medical certificate? C1.2.f. Can a ship’s doctor issue a medical certificate? C1.2.g. Is a medical certificate issued in the seafarer’s home country valid for work on a ship flying the flag of a different country? C1.2.h. Is there a standard form for a medical certificate under the MLC, 2006? C1.2.i. Is there any international guidance regarding medical examinations? C1.2.j. What happens if a medical certificate was issued before the MLC, 2006 entered into force? Does this mean a seafarer has to have another examination?