Page History

As the The reference set mechanism is developed to support a range of different purposes, and therefore it has a high degree of flexibility and extensibility. As evidence of the flexibility in the design, some reference set types use a unique set of attributes in addition to the common reference set attributes. The additional attributes have been specified to meet the requirements for use of that particular type of reference set. The extendibility of the design allows reference sets to be customized to suite specific or local requirements. However, to support distribution, sharing and use of a reference set, it is important that the specific reference set design is consistently specified and represented. Thus, all attributes specific for a particular reference set type must be represented in a form which allows consumers of a reference set to validate and interpret the reference set. 

...