MARC Update No. 10 (2009)
Version 234 includes 'Update No.10' to the MARC21 formats, which LC made available on November 13.
These changes will be supported by MARC Report 234 in the validation module and in the program's MARC Help (F3 during editing).
For complete details on Update #10, please visit LC's Marc home page.
Other MARC changes
MARC Code List for Relators and Sources additions (October 26, 2009)
MARC Code List for Relators and Sources additions (September 30, 2009)