23 The weight indication at or near zero shall not vary by more than
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(a) in the case of Class 
weighing devices, one verification scale interval for each change in temperature of 1°C;
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(b) in the case of Class 
weighing devices, three verification scale intervals for each change in temperature of 5°C; and
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(c) in the case of all other classes of weighing device, one verification scale interval for each change in temperature of 5°C.
