The investigators conducted several tests of accuracy, checking both as weight was increased and decreased. Our scale was spot-on at every reading. This scale is rated for up to 30 pounds, so they put 30 pounds of weight on and then added incremental weights until it read "overload." Once again it passed the test with flying colors.
They were very friendly guys who typically investigate much bigger operations than our tiny farm stand! But they promised to return in three years, as required.