Correct Answer:
C. 3 days
The correct answer is 3 days. This timeframe is a standard procedural requirement in many regulatory frameworks for issuing notices for regular Board meetings. It ensures that all board members receive adequate advance notice to prepare for the meeting, review agendas, and make necessary arrangements to attend. Providing only 1 day's notice (Option A) would typically be insufficient for proper preparation, while 5 or 7 days (Options B and D) might be used for special meetings or longer planning horizons, but 3 days is the common minimum for regular sessions, balancing efficiency with due diligence.