The Director of the Legislative Reference Bureau shall be qualified by experience, knowledge, and ability to conduct the work of the bureau. He shall be well versed in legislative procedure and parliamentary practice, and shall in such matters, when called upon, be ex officio advisor to the General Assembly. He shall give bond in the sum of ten thousand dollars for the faithful performance of his duties, and he shall devote his whole time and attention to the duties of his office. He shall have access to the Law Library and the publications therein of the various State Governments and the United States Government, which may be generally classed as legislative documents. He shall receive a salary of eight thousand, two hundred fifty ($8,250) dollars per annum.