Division 3.12 Quality flag

Revised data refers to data which are sent for a second (or more) time and are corrections of data which has been previously sent.

Updated data concerns data which was not previously available and was coded as missing in the data value field (see 3.11 above) but has since become available.

The flag indicating provisional data should be used in order to indicate that it is likely that the data being transmitted may be corrected.