Final answer:
If a member has received a graded regular report within the past n months, they may skip the periodic report until the specified time period has elapsed.
Step-by-step explanation:
According to the question, if a member has received a graded regular report in the past n months, then a periodic report may be omitted.
This means that if a member has received a report with a grade within the past n months, they do not need to receive another report until the specified time period has elapsed.
For example, if the specified time period is 6 months and a member received a graded regular report 3 months ago, they will not need to receive another report until another 3 months have passed.