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What are the specifics of the merged vocabularies for ATLA RDB and ATLA CPLI?

Starting in 2016, ATLA commenced plans to merge the ATLA RDB and ATLA CPLI vocabularies. This work was completed in September 2017. These changes were made live in the ATLA RDB and ATLA CPLI databases as of the dates shown in this spreadsheet​​. Therefore, subject headings used to index ATLA CPLI records and ATLA RDB records have been the same since the work was completed.​​