25Accuracy of State secondary standards of measurement—maximum permissible uncertainty

#### 25 Accuracy of State secondary standards of measurement—maximum permissible uncertainty For paragraph 19(1)(e), the accuracy with which a State secondary standard of measurement is verified must be expressed as an uncertainty that does not exceed: (a) for a standard for the measurement of length of a denomination stated in column 1 in Schedule 4—the maximum permissible uncertainty stated for the denomination in column 3 in that Schedule; or (b) for a standard for the measurement of mass of a denomination stated in column 1 in Schedule 5—the maximum permissible uncertainty stated for the denomination in column 3 in that Schedule; or (c) for a standard for the measurement of volume of a denomination stated in column 1 in Schedule 6—the maximum permissible uncertainty stated for the denomination in column 2 in that Schedule; or (d) for a standard for the measurement of mass or volume of a denomination not stated in column 1 in Schedule 5 or 6—the maximum permissible uncertainty appropriate to the denomination when linear interpolation is applied to the maximum permissible uncertainty stated: (i) for a standard for the measurement of mass—in column 3 in Schedule 5; or (ii) for a standard for the measurement of volume—in column 2 in Schedule 6.