The following information is applicable to data set specifications only.
Definition
Any additional information that adds to the understanding of the data set specification.
Obligation
Optional completion.
Development rules
Describe any relevant additional information which facilitates understanding of the data set specification. For example, whether the data set specification is likely to be reviewed in the near future, considerations for further development.
For National Minimum Data Sets this field can include information on scope links with other National Minimum Data Sets.