A. The Board shall develop, implement, and administer a sick leave, short-term disability, and long-term disability benefits program in accordance with the provisions of this chapter. The Board is authorized to delegate or assign to any person any of the duties required to be performed by the Board pursuant to this chapter. The Board is authorized to purchase long-term disability insurance policies for participating employees. The policies shall be purchased from and carried with a disability insurance company which is authorized to do business in the Commonwealth. Each policy shall contain a provision stipulating the maximum expense and risk charges that are determined by the Board to be on a basis consistent with the general level of charges made by disability insurance companies under policies of long-term disability insurance issued to large employers. The Board may require that the policies have reinsurance with a disability insurance company incorporated or organized under the laws of and authorized to do business in the Commonwealth. This section is not intended to abrogate the final authority of the Director of the Department of Human Resource Management under subdivision A 14 of § 2.2-1201 to establish and interpret personnel policy and procedures, such as the sick leave policy.