B.1
From DGIWG
Basic rules
Rule 1: A DMF Profile shall define the resource types (e.g. dataset, series, etc.) in the scope of the profile.
Rule 2: A DMF Profile shall define the applicable metadata class, as well as the applicable metadata elements, types and properties.
Rule 3: A DMF Profile shall only define what is specific to the profile implementations: restriction of the cardinality, domain of value of a DMF metadata element.