Is overtime paid by minutes? My work say we don’t get paid at all until we work 7 minutes of OT or more.

I work for Allied Universal and management says we will not get paid for OT or even normal wage until we stay past 7 minutes, so if we worked for 8hrs and 6 minutes, we will only be paid for the 8hrs.

I looked up labor laws and could not find anything on this but this company policy does not sound right.

Hoping you guys can provide some insight. Ty in advance!