Where a person applies for a certification as a paramedic and has already been licensed or certified as such in another state, the Administrator shall accept a true copy of such license or certificate, or evidence of any examination scores issued by a testing service or professional paramedic association, which shows that the applicant has met requirements in the previous state which are equal to those required in this State; such applicant shall be required to meet such written and practical examinations as determined by the medical directors; and the Board shall certify such person to be a paramedic in the State.