There is more than having a scale certified, you need calibrations, annual certified inspections, daily inspections, and random inspections because of movement in this case since you are transporting the scale. Any bump will throw precision equipment out of whack. I use to check hundreds of precision tools monthly too make sure they were in speck because it's the requirement. Driving around streets is not a safe way to keep a scale accurate.
They are, considering we're the most understaffed state. under our circumstances to check a record takes hours if not a few days and is encouraged to keep the fish in ice cold water until an officer is able to come verify, after this the catch needs to be brought to a certified weight station like a grocery store or registered bait shop
But really though, do you think biologists need to be on-call every minute to validate record fish? It does seem overboard.