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. |