46 CFR § 154.1846
Relief valves: Changing set pressure
April 15, 2021
The master shall:
(a) Supervise the changing of the set pressure of relief valves under §154.802(b);
(b) Enter the change of set pressure in the vessel's log; and
(c) Ensure that a sign showing the set pressure is posted:
(1) In the cargo control room or station; and
(2) At each relief valve.