Unless a registration or permit is renewed as provided in this section, the registration or permit expires on the second anniversary of its effective date. At least 90 days before a registration or permit expires, the Director shall mail or electronically transmit to the registrant or permit holder: a renewal application form; and a notice that states: the date on which the current registration or permit expires; and the amount of the renewal fee. If an electronic transmission under paragraph (1) of this subsection is returned to the Director as undeliverable, the Director shall mail to the registrant or permit holder, at the last known address of the registrant or permit holder, the materials required under paragraph (1) of this subsection within 10 business days of the date the Director received the notice that the electronic transmission was undeliverable. Before a registration or permit expires, the registrant or permit holder periodically may renew it for an additional 2-year term, if the registrant or permit holder: is otherwise entitled to be registered or to receive a permit; meets the qualifications set forth for an original registration or permit; pays the renewal fee set by the Director; and submits to the Director a renewal application on the form that the Director provides. The Director shall renew the registration or permit of each registrant or permit holder who meets the requirements of this section.