In August 1636, the Edo bakufu issued a shipwreck control ordinance in order to prevent crew members of the wrecked ship from stealing the ship's cargo, because they often conspired with the port workers, lying that they had to throw the cargo into the sea because of the shipwreck.
江戸幕府は、船員がしばしば浦々の者と共謀して、難破のために投荷をしたと偽って貨物を盗むのを防ぐために、寛永13年8月、難船取締令を発布。