Final answer:
The concept that government and its officers are always subject to is the Rule of Law.
Step-by-step explanation:
The concept that government and its officers are always subject to is the Rule of Law. This principle states that government should be based on a body of laws that are applied equally and fairly to all citizens, rather than being based on the arbitrary decisions of a ruler. Under the Rule of Law, government officials are not above the law and must adhere to the same legal standards as the citizens they govern.