Unless a barbershop permit is renewed for a 2-year term as provided in this section, the permit expires on the first May 31 that comes: after the effective date of the permit; and in an odd-numbered year. At least 1 month before a barbershop permit expires, the Board shall mail or electronically transmit to the permit holder: a renewal application form; and a notice that states: the date on which the current permit expires; and the amount of the renewal fee. If an electronic transmission under paragraph (1) of this subsection is returned to the Board as undeliverable, the Board shall mail to the permit holder, at the last known address of the permit holder, the materials required under paragraph (1) of this subsection within 10 business days of the date the Board received the notice that the electronic transmission was undeliverable. Before a barbershop permit expires, the barbershop permit holder periodically may renew it for an additional 2-year term, if the holder: otherwise is entitled to hold the permit; pays to the Board a renewal fee established by the Board in accordance with § 4-206 of this title; and submits to the Board a renewal application on the form that the Board provides. The Board shall renew the barbershop permit of and issue a renewal certificate to each barbershop permit holder who meets the requirements of this section. The Secretary may determine that barbershop permits issued under this subtitle shall expire on a staggered basis.