It was common practice for Instructions to be issued along with Letters of Marque or Letters of Reprisal
to clarify the intent of the Letters for a particular endeavor.
Few of them have survived.
Orders to the Admiral of the squadron to stop French pirates in 1627 England.
Detailed instructions for capturing pirates and sea rovers. This would accompany a Letter of Marque.
One of the most interesting document in the collection. It spells out everything he is empowered to do; and he sure took it to the extreme.
See also Morgan’s Letter of Marque.
Instructions for enforcing the gun salute and taking captured English seaman out of foreign ships.