For how long must all training records be maintained?

The correct answer is three years. This timeframe is established to ensure that training records are adequately documented and available for review during audits or inspections. Maintaining records for three years allows law enforcement agencies and other organizations to demonstrate compliance with training requirements and ensure that personnel have received the necessary instruction to handle sensitive data appropriately.

This duration aligns with various industry standards and federal requirements, emphasizing the need for accountability and transparency in training processes. Keeping records beyond this period might not be necessary for compliance but can serve as a helpful archive for historical reference or evaluation of training effectiveness.