Weights... over weight is as bad as underweight so you need scales and possibly stamped weights too to do sample checking.
PH
Not what I was told, nor what I have read anywhere else. A search for "trading standards jar contents weight" led me to this statement, which was exactly as I understood the regulations. Perhaps you can link to the regulations which state you cannot have overweight jars?
Excerpt below, my highlights;
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Honey can be filled either to
Minimum Quantity or to Average Weight. In either case the scale used must be one that has been tested and approved for trade use. A stamped/verified shop scale is ideal, (see our factsheet, Weighing Equipment in Use For Trade, for more information)
For
Minimum Quantity each jar should contain (net)
at least the declared weight. Each jar or container must be individually weighed.
For Average Weight, there are certain rules - The Packers Rules- which must be followed. These allow for some weights to be a limited amount below the weight shown on the jar, provided that average weight is equal to or above that weight
For small producers one of the easiest ways to comply with these rules is to fill each jar by eye or on a scale then check (and make a record of ) the weights making sure that the
weights are all at or above the weight declared.