We can now (T160172) customise the 'send data to partners' text, changing it from the default "When you've processed the data below, click the 'mark as sent' button." to something different if required. That could include linking out to a spreadsheet for tracking voucher codes, or instructions on a link that needs sending to users, or something else.
Off the top of my head, Foreign Affairs has a link, EBSCO may need a code tracking sheet, and some partners have a single login that needs to be shared.