This standard specifies the level codes for each unit of the water conservancy system. This standard applies to government information exchange, processing and construction of related databases.
SL/T 200.06-1997 history
2013SL 200-2013 Coding rules and codes for government administration information of water resources
1997SL/T 200.06-1997 The government administration information codes and coding regulation for the water departments
SL/T 200.06-1997 The government administration information codes and coding regulation for the water departments was changed to SL 200-2013 Coding rules and codes for government administration information of water resources.