The Wisconsin Department of Revenue is reviewing previously issued Certificate of Exempt Status (CES) numbers. Qualifying nonprofit organizations will be issued a new 15-digit CES number beginning with 008. Six-digit CES numbers will be discontinued. During the review, retailers may accept a 6-digit or 15-digit CES number from nonprofit organizations claiming exemption from Wisconsin sales and use tax. The department will notify retailers when the review is complete and identify a date when nonprofit organizations may no longer provide a 6-digit CES number to make exempt purchases. Be sure to
