Changes

'''General'''

'''General'''

Best practice: When encoding date information, give the fullest information about the date that is readily available (the date in field 046 may be more precise than a date used in the 100 subfield $d). When revising existing authority records, record dates in field 046 even if the heading itself does not have dates in 100 subfield $d, when the information is readily available.  

Best practice: When encoding date information, give the fullest information about the date that is readily available (the date in field 046 may be more precise than a date used in the 100 subfield $d).  

 

<span id="046_2nd_par">When</span> revising existing authority records, record dates in field 046 even if the heading itself does not have dates in 100 subfield $d, when the information is readily available.  

When recording dates in field 046, use the Extended Date Time Format (EDTF) schema in all cases except for centuries; supply dates using the pattern yyyy, yyyy-mm, or yyyy-mm-dd. See date table in [http://original.rdatoolkit.org/lacbanqpschp9_lacbanqps9-304.html LAC-BanQ PS 9.3.1.3].  

When recording dates in field 046, use the Extended Date Time Format (EDTF) schema in all cases except for centuries; supply dates using the pattern yyyy, yyyy-mm, or yyyy-mm-dd. See date table in [http://original.rdatoolkit.org/lacbanqpschp9_lacbanqps9-304.html LAC-BanQ PS 9.3.1.3].