state code and status code for Duplicate detection rule and condition will always 0 & 0 ??????? when will it be active and when will be it is deactive

state code and status code for Duplicate detection rule and condition will always 0 & 0 ??????? when will it be active and when will be it is deactive

Can any body explain about the statecode and status code for the Duplicate detection rule and  Duplicate condition 

when it will be active and how to make it active???

when it is active what will be status of statecode and statuscode???????????????

when it is deactive what will be status of statecode and statuscode???????????????