1Use of said mark by any licensed Florida citrus fruit dealer operating as a gift fruit shipper in any manner will not be permitted without express written permission from the Department of Citrus. Further, any such use shall be in conformity with the requirements of this chapter. However, such permission shall not be denied to any person, firm or corporation who complies with the requirements of this rule, it being the express purpose of the Department of Citrus to encourage widespread use and, at the same time, to protect the integrity of the mark.