Final answer:
If a criminal or civil complaint involving a real estate transaction has been filed against a licensee, the licensee must notify the Commission orally or in writing.
Step-by-step explanation:
If a criminal or civil complaint involving a real estate transaction has been filed against a licensee, the licensee must notify the Commission orally or in writing. This means that the licensee can choose to notify the Commission either by speaking to them directly or by submitting a written notification.