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Weights & Measures Information

The Department of Licensing and Consumer Protection's Office of Weights and Measures ensures that neither the buyer nor the seller has an undue advantage in the marketplace by registering and inspecting commercial weighing and measuring devices.

District businesses must register all Universal Product Code (UPC) scanners, pharmaceutical balances, scales used in dialysis clinics, and commercially used weighing and measuring devices including gas pumps, produce scales and many other devices. DLCP inspects thousands of devices twice every year to validate that the devices are properly calibrated and display accurately.