The special reason why lien eliminates requires too harsh and its regulation is also not overall. 留置权消灭的特殊原因要求过于苛刻,且其规定亦不全面。
Special risks contain the risk of maritime lien, the risk of ship lien, the risk of oil pollution damage from ships and the risk of forced salvage and wreck removal. 特殊风险包括船舶优先权风险、船舶留置权风险、船舶油污损害风险和沉船强制打捞清除风险。