Great contact Bangladeshi high-ranked customs official
For those shipping in or out of Bangladesh, do the following.
On a piece of paper, write this contact:
The man is a very high ranked official of Bangladesh customs. I had great successes just flashing the paper when trying to get things done. The guy is well known of every customs employees. All of them I showed the paper to were too afraid to have to call him.
Mr. khiruzzaman loves foreigners and knows everything about the carnet, so if you run into problem, he will help. Just insist for people to call.