1.如上問題
在提單生成后，貨物起運后，理論上修改提單內容是非常困難且不建議的。提單是一份關于貨物運輸?shù)暮贤瑫r也是貨物所有權的憑證。一旦提單生成并在貨物起運后，修改提單內容可能導致法律糾紛和不必要的麻煩。然而，在特殊情況下，如果確實需要修改提單內容，如數(shù)量、規(guī)格等，需要通過貨代與承運人協(xié)商，可能需要額外的文件和手續(xù)費。但是，請注意，這種情況下修改提單內容的風險較高。
貨代提單（freight forwarder's bill of lading, fbl）和海運提單（ocean bill of lading, obl）不是完全相同的概念，盡管它們都是提單的類型。
貨代提單：是由貨運代理人（freight forwarder）簽發(fā)的提單，主要用于貨物的整合和分撥。貨代提單通常不具備在第三方支付機構的信用證下用于貨款結算的功能。
海運提單：是由承運人（carrier）或其代理人簽發(fā)的提單，記錄了貨物從起運港到目的港的詳細運輸信息。海運提單通常具有在第三方支付機構的信用證下用于貨款結算的功能。這種提單對于國際貿易尤其重要，因為它代表了貨物所有權，并在買賣雙方之間作為交割憑證。
在實際操作中，貨代提單在貨物運輸?shù)恼麄€過程中可能被替換為海運提單。一般來說，在貨物運輸過程中，貨代提單在貨物抵達中轉港時可能被替換為海運提單。這種情況下，貨代需要將原始的貨代提單與承運人進行交換，以便獲得海運提單。
2.shipping company conference loading ratio,how about this
a shipping company conference is an organization where a group of shipping companies come together to collaborate, negotiate, and cooperate on various aspects of their shipping business, such as coordinating capacity, setting freight rates, and establishing service standards. by doing this, they aim to increase their competitiveness in the market and maintain stability.
one of the factors that conferences may regulate is the loading ratio. the loading ratio refers to the proportion of the actual cargo load on a vessel compared to the vessel's maximum cargo capacity. shipping company conferences may establish specific loading ratio requirements based on factors such as market demand, route characteristics, and vessel type.
the main purpose of setting loading ratio requirements is to ensure the efficient utilization of capacity and optimize vessel operation efficiency. by setting loading ratio requirements for member shipping companies, conferences can encourage members to maintain a reasonable loading ratio during transportation, thereby improving overall capacity utilization and reducing operating costs.
the specific loading ratio requirements may vary depending on the shipping company conference. in practice, member shipping companies must adjust their vessel capacity according to the loading ratio requirements outlined in the agreement to comply with the conference's regulations. if necessary, members can negotiate adjustments to the loading ratio requirements within the agreement to adapt to market changes and operational needs.