No there are not... but many of the ROs that worked that match may or may not have been USPSA certified - old school, or IDPA certified. Some were newer and just not used to doing it the "right way".
On one of my stages, I waited till our squad was finished and pulled the RO off to the side to tell him nicely, that he was using the wrong commands. I called it "constructive criticism" just to make him feel better. He thanked me for helping remind him of the correct range commands, and even admitted he felt like a idiot when he looked down at the timer, still in his hand, and read the little white sticker on the side of it that had all the correct range commands, including ..... "Are You Ready?" LOL
I also saw an instance of a shooter who thought he heard the RO say "Make Ready" so he took his gun out of the holster ...... when in fact the RO had, at that point, only said "Range Is Going Hot". The initial reaction was to DQ the shooter, but after some mild protest, he was reinstated because "Range Going Hot" is NOT A VALID RANGE COMMAND.
This is another example why it's important to stick to the OFFICIAL Range Commands, and NOTHING BUT. No questions about "Do you understand the COF," or Taking an Unloaded Sight Picture, etc. should EVER BE USED.
Shooter should not have been reinstated. If the gun cleared leather without the "make ready" command,.....sorry.
The shooter should have been reinstated due to the following:
12.2 Language States the official language for USPSA is english.
8.3 Range Communication Lists the approved range commands and ther order of the commands.
Non english speaking competitors expect the specific order of range commands and we are obligated to issue the commands as set forth in the rules.
This is the reasoning explained at an RO class given by Gary Stevens.
Mike