The Commission may impose a civil penalty not exceeding $10,000 upon any licensee who it determines, in proceedings conducted in accordance with the Commission’s Rules, has violated any provision of this chapter or of any regulation or order of the Commission, either knowingly or without the exercise of due care to prevent the violation. In any proceeding under this section, a licensee shall not be penalized for any act or omission done in reasonable reliance on any regulation, order, letter, or other written directive or request of the Commission.