What's the noun for protocolists? Here's the word you're looking for.
protocol
(now chiefly historical) The minutes, or official record, of a negotiation or transaction; especially a document drawn up officially which forms the legal basis for subsequent agreements based on it. [from 15th c.]
(international law, now rare) An official record of a diplomatic meeting or negotiation; later specifically, a draft document setting out agreements to be signed into force by a subsequent formal treaty. [from 17th c.]
(international law) An amendment to an official treaty. [from 19th c.]
The first leaf of a roll of papyrus, or the official mark typically found on such a page. [from 19th c.]
The official formulas which appeared at the beginning or end of certain official documents such as charters, papal bulls etc. [from 19th c.]
(sciences) The original notes of observations made during an experiment; also, the precise method for carrying out or reproducing a given experiment. [from 19th c.]
The official rules and guidelines for heads of state and other dignitaries, governing accepted behaviour in relations with other diplomatic representatives or over affairs of state. [from 19th c.]
(by extension) An accepted code of conduct; acceptable behaviour in a given situation or group. [from 20th c.]
(computing) A set of formal rules describing how to transmit or exchange data, especially across a network. [from 20th c.]
(medicine) The set of instructions allowing a licensed medical professional to start, modify, or stop a medical or patient care order. [from 20th c.]
“Though she attends a widow's support group, there seems to be no established protocol for telling a new partner about being a widow.”
“According to the report, the ministries of external affairs, finance, labor, and commerce have already agreed on the draft agreement on the protocol to be signed with the US.”
