Ura-shomon was a bond to certify wrecked cargo and fittings left on a wrecked ship, which was issued in the presence of such persons as a magistrate, a clerk, and a village headman.
浦証文は、通航の浦港で、当地の代官、手代、庄屋などの立ち会いの上、難船の残存荷物、船具などを証明したもの。