Labels to provide to judges with their name, BJCP Rank, and email address are available for each registered/assigned judge in the standard Avery 5160 format (address labels). These labels are for judges to affix to their scoresheets during the competition.
From the main Administration page: Expand the Printing and Reporting section; click "Download PDF" next to "Judge Scoresheet Labels (Avery 5150)" under the Before Judging heading
From Admin on the top menu: Printing and Reporting > Before Judging > Judge Scoresheet Labels
Download a sample (PDF).