MARC Advisory Committee (MAC) Annual Meeting, June 25, 2024 Report by Ethan D’Ver, Chair, Encoding Standards Subcommittee, MLA Representative to MAC Recordings: http://loc.gov/marc/mac/recordings.html MLA Advance Comments: MLA responses to June 2024 MAC papers Brief Summary of Proceedings Proposal No. 2024-05: Adding Subfields $0 and $1 to Fields 506 and 540 in the MARC 21 Bibliographic Format Passed with minor amendments. Discussion Paper No. 2024-DP11: Tagging Transliteration Schemes and BCP 47 in Data Provenance Subfields in the MARC 21 Authority and Bibliographic Formats A lot of pushback about the options presented in the paper, the authors will revisit and consider additional options Discussion Paper No. 2024-DP06: Adding Subfields $0 and $1 to Field 024 in the MARC 21 Bibliographic Format Presenter addresses MLA’s concern about work data encroaching into bibliographic records, and assures that this was not their intent. They will update some of the examples to reflect this. Discussion Paper

MARC Advisory Committee (MAC) Annual Meeting, June 28-29, 2023 Report by Ethan D’Ver, Chair, Encoding Standards Subcommittee Recordings: https://loc.gov/marc/mac/recordings.html Selected Summary Discussion Paper No. 2023-DP07: Recording Numeric Designation of Musical Expressions in the MARC 21 Bibliographic and Authority Formats General agreement that defining an indicator to signify whether the numeric designation refers to the work or expression is not appropriate for the Authority Format, since the data should match the type of entity that the record is for. However, it could be defined for the Bibliographic Format. There is recent precedent for defining such indicator values in the Bibliographic but not the Authority Format with the 046 field. From the pre-meeting comments, an excellent point was raised about providing an example for a numeric designation of a musical work to fully demonstrate the new indicator values. The other pre-meeting questions raised, including the RSC’s unlikeliness to approve new identifier subtypes,

Report of the MLA Liaison to CC:DA Prepared by Keith Knop CC:DA met virtually over two days, July 18-19, 2022. Minutes of the meeting are not yet available. Liaison Reports Melanie Polutta reported on activity at the Library of Congress (full report: https://alcts.ala.org/ccdablog/?p=5292). She highlighted two forms for providing feedback on LC-PCC PS and the associated PCC documents, one for reporting simple mechanical or typographical errors (https://loc.libwizard.com/f/lc-pcc-ps-error-report) and one for feedback or questions on the content (https://docs.google.com/forms/d/e/1FAIpQLSdSXHgduC1TnjXS7ERb0ggGyaIr3Z5xVeqUWyQ2fzEHioQR_w/viewform). There is also a public spreadsheet tracking revisions and answered questions (https://docs.google.com/spreadsheets/d/1vDPelYCMCtdEc4iahZ0bx_9r7AoH1B6boi_yAflvJ-8/edit#gid=0). A number of vocabulary changes in LCSH have gone through or are in process, notably including the removal of “primitive” from preferred terms in most contexts. The LCGFT manual is undergoing an overhaul, which may result in policy changes. The moratorium on proposals for LCDGT has been lifted and an advisory group has been formed to help evaluate proposals. LC has

MARC Advisory Committee (MAC) Annual Meetings, June 28-29, 2022 Report by Karen Peters (Library of Congress), Chair, Encoding Standards Subcommittee (Recordings of the meetings are available here; note that timestamps are provided for each paper)   MAC Meeting No. 1, June 28, 2022, 10:30-12:35 EDT MAC Chair Cate Gerhart opened the meeting and explained the protocols for this set of virtual meetings, which were held via WebEx. After the MAC members introduced ourselves, the minutes from the January 2022 meetings were approved.   It was noted that two fast track proposals have been approved since the January meetings:  No. 2022-FT01, from the PCC Standing Committee on Standards, was converted from Discussion Paper No. 2022-DP04 at those meetings and approved. The proposal added subfields $i (Relationship information) and $4 (Relationship) to Field 373 (Associated Group) in the Authority Format. No. 2022-FT02, from the Canadian Committee on Metadata Exchange and Library Archives

MARC Advisory Committee (MAC) Annual Meetings, June 28-30, 2021 Report by Karen Peters (Library of Congress), Chair, Encoding Standards Subcommittee (Recordings of the meetings are available here). Meeting #1, June 28, 2021, 10:30-12:30 EST Chair Matthew Wise opened the meeting and explained the protocols for this set of virtual meetings, which were held via WebEx. After the MAC members introduced ourselves, minutes from the January 2021 meetings were approved. No fast-track proposals have been approved since the last meeting. Proposal No. 2021-11, “Defining Subfields $y and $z for Incorrect/Canceled ISSNs in Field 490 of the MARC 21 Bibliographic Format,” was introduced by Jay Weitz on behalf of OCLC. While field 490 permits the entry of ISSNs in subfield $x, there is currently no means of reflecting the status or accuracy of this information, if known. The proposed addition of the subfields is intended to provide a situation similar to that

MARC Advisory Committee (MAC) Meetings, June 30-July 2, 2020   Report by Karen Peters (Library of Congress), Chair, Encoding Standards Subcommittee     June 30, 2020 Meeting, 10:30-12:30 EDT   Chair Matthew Wise began the meeting and explained the ground rules for this set of virtual meetings, the first ever such MAC meetings, which were held via WebEx. After MAC members introduced themselves, minutes from the January 2020 meeting at ALA Midwinter were approved, and it was noted that there have been no fast track changes since that meeting.   Proposal No. 2020-04, “Defining a New Subfield for Illustrative Content in Field 340 of the MARC 21 Bibliographic Format,” was introduced by Jodi Williamschen on behalf of NDMSO. The proposal defines $p for the stated purpose.   Applicable to other papers as well as this one, Thurstan Young brought up the issue of whether $0 or $1 (Real World Object) is