An applicant for a wildlife damage control permit shall pass a written examination before obtaining the permit. The minimum passing score for the written examination is 80 percent. The written examination shall contain questions related to: Wildlife damage control procedures; Current statutes and regulations pertaining to Maryland wildlife; Wildlife biology, such as reproductive cycles, feeding patterns, and den sites of the more common problem wildlife species in Maryland; Human health and safety issues; Wildlife control methods, both lethal and nonlethal; Acceptable methods of killing; and Other questions necessary to determine an individual's ability to conduct wildlife damage control services. An individual who fails the examination may retake it not earlier than 45 days and not later than 90 days after taking the examination. The test may be retaken not more than 3 times in 1 calendar year. The Service will schedule examination dates at least every 2 months. The applicant shall pass the examination before the issuance of the initial permit. Additional testing is not required for subsequent permits.