Changes

The policy on levels of cataloguing treatment was first introduced by the former National Library of Canada in 1996 and was revised in 2003 and again in 2009. The present version (2021) was created to reflect the environmental shift brought by LAC’s transition to OCLC WorldShare Management Services (WMS) in 2018 as well as the decreased ratio of cataloguing resources to publications received through various channels of acquisition.  

The policy on levels of cataloguing treatment was first introduced by the former National Library of Canada in 1996 and was revised in 2003 and again in 2009. The present version (2021) was created to reflect the environmental shift brought by LAC’s transition to OCLC WorldShare Management Services (WMS) in 2018 as well as the decreased ratio of cataloguing resources to publications received through various channels of acquisition.  

===Context===

===Context===

In 2018, Library and Archives Canada decommissioned its in-house integrated library system AMICUS and replaced it with WMS. As a result, LAC’s bibliographic data were migrated into WorldCat, a shared bibliographic environment where member libraries can use, enhance, and enrich other member libraries’ records.  

In 2018, Library and Archives Canada decommissioned its in-house integrated library system AMICUS and replaced it with WMS. As a result, LAC’s bibliographic data were migrated into WorldCat, a shared bibliographic environment where member libraries can use, enhance, and enrich other member libraries’ records.<br>

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Furthermore, authority work is now done in two separate files:  

Furthermore, authority work is now done in two separate files: