Final answer:
The response time for a licensee under investigation can vary but typically falls within 20 to 90 days, depending on the governing body's regulations.
Step-by-step explanation:
A licensee under investigation of a complaint will typically have a set period to respond. The specific duration can vary depending on the jurisdiction and the governing body's rules, but common response times are 20, 30, 60, or 90 days. It is essential for a licensee to know the rules of their licensing board to ensure they comply with the specific timeframe given for their situation.