I believe the answer is: precedent
In social setting, we can see a precedent in court ruling.
When a supreme court ruled a controversial case, the other courts would most likely use the ruling as a precedent to settle similar cases that might appear in the future.
This quote is taken from one of the darkest periods of the 20th century, the Holocaust. Contrary to what some think, the Germans tried to eradicate all Jews by sending them to concentrarion camps where they were subject to unspeakable horrors. The world heard of these rumors and waited too long to help them.
It's The Battle of Kettle Creek.
The Battle of Kettle Creek was one of the most important wars fought in Georgia during the American Revolutionary War.
The battle began in February 14, 1779, when a force of around 400 American revolutionaries surprisingly attack the Loyalists, the ones loyal to the British Crown that had recently captured Savannah, Georgia. After four hours, the revolutionaries ended gaining the battle, even though the Loyalists outnumbered them.
The victory proved that British weren't capable to hold the interior of the American's state nor to protect Loyalist recruits outside their immediate area.
Answer:
In that particular scenario and in case of the absence of the veterinarian, a licensed veterinary technician can initiate the life-saving procedures in order to kept the cat alive. And the owner is requesting, so there is no reason to start tracheal intubation and CPR.