When must a pesticide license be renewed?

A pesticide license in Connecticut must be renewed before the expiration date to ensure that operators remain compliant with state regulations. This requirement helps to maintain the safety and effectiveness of pesticide applications, ensuring that operators stay updated on best practices, safety protocols, and any changes in regulations or product usage.

Renewing the license prior to the expiration date is essential because it prevents any lapse in the operator's ability to legally apply pesticides. If a pesticide license expires, the operator would not be allowed to perform pesticide applications, which could lead to potential risks, both legally and regarding public safety.

In the context of the other choices, while licenses may have timeframes that seem relevant, the emphasis on renewal before expiration highlights the importance of maintaining valid credentials and staying current in the field. This proactive approach helps safeguard the environment and public health from the potential hazards associated with pesticide usage.