B_1_shipping_date__c
false
if ( or( text(StageName) = '出荷', text(StageName) = '注残', text(StageName) = '完了'), Last_Shipping_Date__c ,
IF(
AND(Sum_SAIsCompleted__c > 0,
MONTH(TODAY()) = MONTH(Last_Shipping_Date__c),
YEAR(TODAY()) = YEAR(Last_Shipping_Date__c)) , Last_Shipping_Date__c, null))
BlankAsZero
false
false
false
Date