4-point Near-fall

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This past weekend at a North Dakota high school (NFHS rules) wrestling tournament, I saw a referee award a four-point near-fall multiple times. Each time was when the defensive wrestler was in near-fall for 5+ seconds with time expiring. It was my understanding the only time a four-point NF should be awarded is when the pinning situation is stopped for a legal hold resulting in injury, or for the defensive wrestler bleeding.

I have gone through the rules and case books, and I cannot find any other instance of a four-point near-fall being awarded other than injury or blood. Am I missing something?