| Line 795: | 
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|   | <span style="color:red>Because the 046 field will be based on information from multiple sources, justification cannot be accurately expressed in subfield $v/$u at the end of the 046 field. The conflicting dates should be recorded in 670 fields. If an existing record has subfield $v/$u as 046 field justification, and the 046 field is being updated as described above, the subfield $v/$u should be removed, and the justification converted to a 670 field, if the conflicting dates are not already justified in an existing 670 field.</span>  |   | <span style="color:red>Because the 046 field will be based on information from multiple sources, justification cannot be accurately expressed in subfield $v/$u at the end of the 046 field. The conflicting dates should be recorded in 670 fields. If an existing record has subfield $v/$u as 046 field justification, and the 046 field is being updated as described above, the subfield $v/$u should be removed, and the justification converted to a 670 field, if the conflicting dates are not already justified in an existing 670 field.</span>  | 
|   |  |   |  | 
| − | <span style="color:red>'''DUncertain dates resulting from date calculations'''  | + | <span style="color:red>'''Uncertain dates resulting from date calculations'''  | 
|   |  |   |  | 
|   | <span style="color:red>In some situations, a calculation may be required to determine which dates to record in the 046 field and the authorized access point. Such calculations may result in uncertain dates.</span>  |   | <span style="color:red>In some situations, a calculation may be required to determine which dates to record in the 046 field and the authorized access point. Such calculations may result in uncertain dates.</span>  | 
| Line 835: | 
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|   | Always add subfield $2 edtf except after a century.    |   | Always add subfield $2 edtf except after a century.    | 
|   |  |   |  | 
| − | '''Subfield $s – Start period, and $t – End period'''  | + | '''<span style="color:red>Subfields $q – Establishment date, $r – Termination date,</span>, $s – Start period, and $t – End period'''  | 
|   | + |    | 
|   | + | <span style="color:red>Record dates associated with a one-time conference, etc., or a single instance of a  | 
|   | + | series of conferences, etc. ([https://original.rdatoolkit.org/rdachp11-en_rda11-4572.html RDA 11.4.2] et [https://original.rdatoolkit.org/rdachp11-en_rda11-5252.html RDA 11.13.1.8.1]), use subfields $s and $t.</span>  | 
|   | + |    | 
|   | + | ''<span style="color:red>Example :''  | 
|   | + | <div style="font-family:courier new; padding-right:25px; padding-left:100px; padding-top:10px; padding-bottom:10px; text-indent:-85px; line-height:1.4; border:1px solid #eaecf0; background-color:#f8f9fa;"><span style="color:red>  | 
|   | + | 046 ## $s 2017-07-27 $t 2017-08-06 $2 edtf  | 
|   | + |    | 
|   | + | 111 2# $a Festival des arts de Saint-Sauveur $n (26e : $d 2017 : $c Saint-Sauveur, Québec)  | 
|   | + |    | 
|   | + | 670 ## $a Festival des arts de Saint-Sauveur, du 27 juillet au 6 août 2017, 2017  | 
|   | + | </div>  | 
|   | + |    | 
|   | + | <span style="color:red>Use the establishment date  ([https://original.rdatoolkit.org/rdachp11-en_rda11-4572.html RDA 11.4.3]) and the termination date ([https://original.rdatoolkit.org/rdachp11-en_rda11-4628.html RDA 11.4.4]) of a series of conferences, etc. ([https://original.rdatoolkit.org/rdachp11-en_rda11-5691.html RDA 11.13.1.8.2]) in subfields $q and $r, if that information is known.</span>  | 
|   | + |    | 
|   | + | ''<span style="color:red>Example :''  | 
|   | + | <div style="font-family:courier new; padding-right:25px; padding-left:100px; padding-top:10px; padding-bottom:10px; text-indent:-85px; line-height:1.4; border:1px solid #eaecf0; background-color:#f8f9fa;"><span style="color:red>  | 
|   | + | 046 ## $q 2019 $2 edtf  | 
|   | + |    | 
|   | + | 110 2# $a Acfas (Association). $b Congrès  | 
|   | + |    | 
|   | + | 670 ## $a L'université du XXIe siècle, 2020 : $b page de titre (87e Congrès de l'Acfas, tenu à l'Université du Québec en Outaouais) page 3 (2019)  | 
|   | + |    | 
|   | + | 670 ## $a Congrès de l'Acfas. Programme général, 70e (2002), substitut : $b page de titre (76e Congrès de l'Acfas, du 5 au 9 mai 2008, Centre des congrès de Québec) page ii (Association francophone pour le savoir-Acfas)</span>  | 
|   | + | </div>  | 
|   | + |    | 
|   |  |   |  | 
|   | For instructions on using $s and $t for start and end periods in fields 368, and 370-376, see the instructions provided in the [[PFAN_-_Name_Authority_Manual#373_Associated_group|373]] field.    |   | For instructions on using $s and $t for start and end periods in fields 368, and 370-376, see the instructions provided in the [[PFAN_-_Name_Authority_Manual#373_Associated_group|373]] field.    | 
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|   | </div>  |   | </div>  | 
|   |  |   |  | 
| − | [2023-09-11]<!--(2023-09-11)-->  | + | [2023-10-05]<!--(2023-10-03)-->  | 
|   | <br>[[#toc|''Return to Table of Contents'' <big>⮝</big>]]  |  [[PFAN_-_Name_Authority_Manual_-_MARC_21_Supplement#046_Special_Coded_Dates|''Supplement'' <big>⮞</big>]]  |   | <br>[[#toc|''Return to Table of Contents'' <big>⮝</big>]]  |  [[PFAN_-_Name_Authority_Manual_-_MARC_21_Supplement#046_Special_Coded_Dates|''Supplement'' <big>⮞</big>]]  | 
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