If it is not known for three months whether a worker who was on board a vessel when it sank, capsized, was lost or went missing or who was on board a vessel and went missing during its navigation is dead or alive, or if the death of such worker becomes apparent within three months but the time of death is not known, the worker shall, with respect to the application of the provisions relating to the payment of compensation benefits for surviving family, funeral service fee, survivors benefits and funeral rite benefits, presuming that the worker has died on the date on which the vessel sank, capsized, was lost or went missing or on the date on which the worker went missing. The same applies in the cases where it is not known for three months whether a worker who was on board an aircraft when it crashed, was lost or went missing or who was on board an aircraft and went missing during its flight is dead or alive, or where the death of such worker becomes apparent within three months but the time of death is not known.
船舶が沈没し、転覆し、滅失し、若しくは行方不明となつた際現にその船舶に乗つていた労働者若しくは船舶に乗つていてその船舶の航行中に行方不明となつた労働者の生死が三箇月間わからない場合又はこれらの労働者の死亡が三箇月以内に明らかとなり、かつ、その死亡の時期がわからない場合には、遺族補償給付、葬祭料、遺族給付及び葬祭給付の支給に関する規定の適用については、その船舶が沈没し、転覆し、滅失し、若しくは行方不明となつた日又は労働者が行方不明となつた日に、当該労働者は、死亡したものと推定する。航空機が墜落し、滅失し、若しくは行方不明となつた際現にその航空機に乗つていた労働者若しくは航空機に乗つていてその航空機の航行中行方不明となつた労働者の生死が三箇月間わからない場合又はこれらの労働者の死亡が三箇月以内に明らかとなり、かつ、その死亡の時期がわからない場合にも、同様とする。