江苏常州正浩律师事务所陆柏松、梁永伟认为:提单是海上货物运输中由承运人签发给托运人的一种单据。从内容上看,以往的提单立法大致可分为两大类:一类是关于提单作为一张运输单据与贸易单据本身规律的;一类是关于提单与海上货物运输合同关系的。目前有关提单的法律规定及国际公约主要属于后一类规定,而对前一类把提单作为单据本身所具有的一系列内在规律的规定则涉及不多,且缺乏系统性,有必要进行探讨。一、提单签发最迟不得晚于什么时间,法律并无明确规定。从司法实践和国际惯例来看,应理解为应在合 Jiangsu Changzhou Zhenghao Law Firm Lu Bosong, Liang Yongwei that: the bill of lading is a document issued by the carrier to the shipper in the carriage of goods by sea. From the content point of view, the previous bill of lading legislation can be broadly divided into two categories: one is on the bill of lading as a transport document and the trade document itself; the other is about the contract of carriage of goods by sea and the bill of lading. At present, the legal provisions on the bill of lading and the international conventions mainly fall into the latter category. However, the provisions of the former class of bills of lading as a series of inherent rules in the document itself are not very systematic and are not systematic and necessary to be explored. First, the bill of lading issued no later than what time, the law does not clearly defined. From the judicial practice and international practice, it should be understood as co-operation