It is completely illegal to correspond with, or engage in any kind of business with, a pirate.

Trouble-o-Meter
Modern convictions are completely non-existent.

Status: still on the books

Why Is This a Law?

This is a holdover from an era when maritime security was a massive global concern. To prevent locals from laundering stolen treasure or hiding ships, the government made it a severe crime to even send pirates a letter.

A citizen earnestly dealing with the law: It is completely illegal to correspond with, or engage in any kind of business with, a pirate.