Bob, Here's a real life example that I have been working on: the University of Washington Department of Laboratory Medicine and the Department of Pathology merged on July 1, 2020 to form the Department of Laboratory Medicine and Pathology. 110 2 University of Washington. ǂb Department of Laboratory Medicine 510 2 ǂw r ǂi Mergee: ǂa University of Washington. ǂb Department of Pathology 510 2 ǂw r ǂi Product of merger: ǂa University of Washington. ǂb Department of Laboratory Medicine and Pathology 110 2 University of Washington. ǂb Department of Pathology 510 2 ǂw r ǂi Mergee: ǂa University of Washington. ǂb Department of Laboratory Medicine 510 2 ǂw r ǂi Product of merger: ǂa University of Washington. ǂb Department of Laboratory Medicine and Pathology 110 2 University of Washington. ǂb Department of Laboratory Medicine and Pathology 510 2 ǂw r ǂi Component of merger: ǂa University of Washington. ǂb Department of Laboratory Medicine 510 2 ǂw r ǂi Component of merger: ǂa University of Washington. ǂb Department of Pathology Splits also present complications and, interestingly, there is no relationship designator to relate the two resulting bodies to each other. There are only designators to relate the earlier name to each of the resulting names and the resulting name to the two earlier names: The University of Washington Department of Periodontics and Endodontics split into the Department of Endodontics and the Department of Periodontics: 110 2 University of Washington. ǂb Department of Periodontics and Endodontics 510 2 ǂw r ǂi Product of split: ǂa University of Washington. ǂb Department of Endodontics 510 2 ǂw r ǂi Product of split: ǂa University of Washington. ǂb Department of Periodontics 110 2 University of Washington. ǂb Department of Endodontics 510 2 University of Washington. ǂb Department of Periodontics 510 2 ǂw r ǂi Predecessor of split: ǂa University of Washington. ǂb Department of Periodontics and Endodontics 110 2 University of Washington. ǂb Department of Periodontics 510 2 University of Washington. ǂb Department of Endodontics 510 2 ǂw r ǂi Predecessor of split: ǂa University of Washington. ǂb Department of Periodontics and Endodontics --Adam Adam Schiff University of Washington Libraries ________________________________ From: Program for Cooperative Cataloging <[log in to unmask]> on behalf of Robert Maxwell <[log in to unmask]> Sent: Tuesday, September 15, 2020 12:49 PM To: [log in to unmask] <[log in to unmask]> Subject: Re: CB merges Some clear examples of real situations in the documentation would be helpful. Adam, do you have a real example in mind and could you show what the designators would be on the authority records (presumably three records in a simple situation, one for each of the two original bodies and one for the resulting merged body)? Bob Robert L. Maxwell Ancient Languages and Special Collections Librarian 6728 Harold B. Lee Library Brigham Young University Provo, UT 84602 (801)422-5568 From: Program for Cooperative Cataloging <[log in to unmask]> On Behalf Of Adam L Schiff Sent: Tuesday, September 15, 2020 1:33 PM To: [log in to unmask] Subject: Re: CB merges Ben, The way I explain this to people is that the relationship designator always spells out the relationship between the body in the 1XX and the body in the 5XX. It is not used to relate two 5XXs. So the relationship between the two bodies that merge is reciprocal and "Mergee" is used. The relationship between each of the earlier names to the merged result is "Product of merger" in one direction and "Component of merger" in the other. Adam Schiff University of Washington Libraries ________________________________ From: Program for Cooperative Cataloging <[log in to unmask]<mailto:[log in to unmask]>> on behalf of Benjamin A Abrahamse <[log in to unmask]<mailto:[log in to unmask]>> Sent: Tuesday, September 15, 2020 11:57 AM To: [log in to unmask]<mailto:[log in to unmask]> <[log in to unmask]<mailto:[log in to unmask]>> Subject: CB merges So for all it’s worth I did look at the PCC-List archives because I remembered this coming up before, but the discussion does not seem to have concluded in a definitive way. I’m trying to figure out how best to handle the merging of two corporate bodies to form a new one. In this case the evidence from the sources is extremely clear (literally a press release saying, “Body A and Body B have merged to form Body C”) so I’m just a little puzzled how to handle the RDA relationship designators. In Appendix K we have a relationship designator, “Mergee” (reciprocal form: “Mergee”) as well as “Product of merger” (reciprocal form: “Component of merger”). Because it’s not clearly spelled out in the appendix, is the intention here that we should use the first term to relate the two merging bodies to each other, and the second to relate the merging bodies to the new body? E.g. Body A Mergee: Body B Product of merger: Body C Body B Mergee: Body A Product of merger: Body C Body C Component of merger: Body A Component of merger: Body B In viewing the archives I found an interesting mention from 2014 that SCT suggested we don’t use “merge” language and instead rely on just “Predecessor” and “Successor”. That was in reference to the PCC Guidelines for the Application of Relationship Designators in NACO Records” but that language no longer seems to appear in the document (as of the 2019 version.) --Ben Ben Abrahamse Metadata Librarian MIT Libraries [log in to unmask]<mailto:[log in to unmask]>