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National minimum data sets and data set specifications

National minimum data set

A National minimum data set (NMDS) is a minimum set of data elements agreed for mandatory collection and reporting at a national level. It may include data elements that are also included in other National minimum data sets. An NMDS is contingent upon a national agreement to collect uniform data and to supply it as part of the national collection, but does not preclude agencies and service providers from collecting additional data to meet their own specific needs.

Data set specifications

Data Set Specifications (DSS) are metadata sets that are not mandated for collection but are recommended as best practice.