Every cannabis retailer required to collect the tax under this Article shall apply to the Department for a certificate of registration under this Article. All applications for registration under this Article shall be made by electronic means in the form and manner required by the Department. For that purpose, the provisions of Section 2a of the Retailers’ Occupation Tax Act are incorporated into this Article to the extent not inconsistent with this Article. In addition, no certificate of registration shall be issued under this Article unless the applicant is licensed under this Act.