Where the hirer fails to pay the remuneration or cost of materials, etc. to the hiree, the hiree is entitled to a possessory lien on the work product completed, except otherwise agreed by the parties.

• 第二百六十四条定作人未向承揽人支付报酬或者材料费等价款的，承揽人对完成的工作成果享有留置权，但当事人另有约定的除外。