我说的这个不是。为之工作的是政府工作人员，类似便衣警察，开始我不懂，所以，没有太清楚，查了之后才知道：

CODE ENFORCEMENT DEFINITION:

"Code Enforcement is the prevention, detection, investigation and enforcement of violations of statutes or ordinances regulating public health, safety, and welfare, public works, business activities and consumer protection, building standards, land-use, or municipal affairs."