[经] uniform rules for the collection of commercial papers

shāng yè piào jù tuō shōu tǒng yī guī zé ㄕㄤ ㄧㄝˋ ㄆㄧㄠˋ ㄐㄩˋ ㄊㄨㄛ ㄕㄡ ㄊㄨㄥˇ ㄧ ㄍㄨㄟ ㄗㄜˊ