We just get the information from our forwarder that the SOB (Actual Departure date) for this shipment is on 21th Jan 2016 but in the BL stated 20th Jan 2016. The shipping liner said that no need to change the actual departure date on the BL and refuse to do that. Is there any problem if we follow the BL date (20th Jan) on Form D at your clearance side? Kindly advise.