B-2: Product Change Notice (PCN) Doc - if you claim in the B-1: Life-Cycle Status as "Obsolete" or "EOL", we will need to obtain the Product Change Notice (PCN) document from you. If the PCN document is listed on your web site, please enter the URL in this data field. If the PCN document is in a separate file that you would attach as part of the reply, please enter "as attached" in this data field. If you do not have the PCN document for this part number, please enter "NA" as Not-Available for this data field.