(a) An employer with an active employer number may at any time after issuance voluntarily cancel its employer number by submitting to the department an Employer Testing Program Voluntary Cancellation Request of Employer Number (DL 520C ETP, Rev. 10/2017), which is hereby incorporated by reference; or a written request to the department on employer letterhead with the following information:

(b) An employer who has been granted a voluntary cancellation of its employer number and wishes to reactivate its employer number may do so, as long as the prior term of the employer number has not expired. An employer seeking to reactivate an employer number shall submit an Employer Testing Program Request for Reactivation Employer Number (DL 817 ETP, Rev. 10/2017), which is hereby incorporated by reference, to the department. If the employer number expires within 60 days of the date of Request for Reactivation, the employer must submit a renewal Application, the DL 814 ETP, DL 807 ETP, the route map, and payment of a $45 non-refundable application fee ($15 for each year for a three year period) for non-governmental employers.

(c) The department may cancel an employer number if the employer number was issued in error, by giving the employer at least 15 days prior written notice of such cancellation. Whenever an employer number is cancelled by the department, it shall be without prejudice.