20. The Officers and Petty Officers of the Royal Naval Artillery Volunteers shall command each other, and the Gunners and Buglers of the Force, agreeably to their respective ranks, in all matters relating to their duties; but none of them are ever to assume any naval command or authority whatsoever, unless ordered to do so by their Superior Naval Officers, and they are to be, in all matters whatsoever, under the command of the Captain or Commanding Officer of the ship in which they may be, and of the Officer of the Watch for the time being whatsoever his rank may be.
HONOURS AND DECORATIONS.
Guards.
21. A Guard of Honour may be provided as a matter of course for a member of the Royal Family, or the Admiralty, on arrival in the neighbourhood of the headquarters of a Brigade; but in no other case will any body of the Naval Artillery Volunteers take part in any public procession or ceremony, or form a Guard of Honour, without the special authority of the Admiralty or the Senior Naval Officer of the district.
Decorations.
22. The only decorations that may be worn on the left breast are those given by the Queen or by a Foreign Sovereign.
In the last case mentioned, Her Majesty's permission to accept and wear the decoration must have been granted.
The medal of the Royal Humane Society may be worn.
OFFICERS.
Appointment.