3 adjectives to describe protocol

Next this hostile protocol lay a business-like missive bearing a Lincoln's Inn look about it not to be mistaken, and which Bruce determined he would leave unopened till the morning, when, if Nina had slept, and was doing well, he felt nothing in the world could make him unhappy.

This insolent and mercenary protocol drove Clara to bay.

Said archives and registers must be carefully preserved, and all individuals, without exception, shall have the right to obtain, conformably to law, authorized copies of contracts, wills and other documents which form part of notarial protocols or which are kept in administrative and judicial archives, whether the same be in Spain or in the islands above mentioned.

3 adjectives to describe  protocol