Reference

The things this trade assumes you already know. Free, and without an email address.

Worldwide

Article
Per diem and demurrage are not the same charge
Who bills which, what stops each clock, and why a carrier can owe one while the shipper owes the other.

United States

Article
FIRMS codes, and why a terminal has more than one name
The four-character code CBP assigns to a bonded facility, what it does not tell you, and how to match a terminal somebody named differently.

Canada

Nothing here yet. What exists is written; what is missing is missing.

Mexico

Article
Carta Porte: what a US buyer needs to know
The complemento that turns a Mexican freight invoice into a legal transport document, and what happens to a load without one.