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A National Extension and/or National Edition as made available to licensees by an Member at a particular release date.


  1. The National Release is made available as a set of release files which contain components and derivatives from a National Extension maintained and distributed by an Member.
  2. A National release may also include the SNOMED CT International Release on which it depends, in which case it is a release of the National Edition.
  3. Alternatively, a National Release may consist only of the National Extension release files for the specified release date. In this case, the National Edition is generated by combining these files with the International Release on which it depends.


  • National Release