The board is hereby authorized to receive applications for and give examinations to persons who have not become legal residents of the State of Mississippi when such applicants comply with the laws and regulations of said board and are authorized to issue a certificate or license, as the case may be, as fully as if said applicant was a resident of the State of Mississippi. However, the board is authorized to charge a sum of not more than Twenty Dollars ($20.00) in addition to the other fees charged a resident applicant to cover the necessary expenses in making any investigation or obtaining information concerning said applicant. Upon the successful compliance with the laws of this state, such nonresident may be issued a certificate or license as a resident.