Which of the following penalties is defined by FIFRA for knowingly violating the law?

The correct answer is the option that describes criminal penalties. In the context of the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), knowingly violating the law can result in criminal penalties. This typically involves actions that are intentional, reckless, or negligent, leading to significant consequences for the violator. Criminal penalties serve as a deterrent against serious infractions that could harm public health or the environment due to improper pesticide use or management.

Civil penalties, while associated with violations of FIFRA, generally pertain to fines for unintentional violations rather than for actions deemed willful or malicious. Written reprimands and community service are not defined under FIFRA as formal penalties; rather, they are more common disciplinary measures in other regulatory or occupational contexts. Therefore, the structure of penalties under FIFRA emphasizes the seriousness of knowingly breaking the law through its classification of criminal penalties.