Mississippi Code Title 25. Public Officers and Employees; Public Records § 25-3-103

(a) “Agency” means any branch, department, board, committee or commission of state government, but does not include units of local government or school districts.

(b) “Department” means the Mississippi Department of Finance and Administration.

(c) “Participating employee” means a permanent full-time or part-time employee who has been employed by an agency for a period of six (6) months or more and who donates an organ, bone marrow, blood or blood platelets.

(4)(a) On request, a participating employee subject to this section may be entitled to organ donation leave with pay.

(b) An employee may use (i) up to thirty (30) days of organ donation leave in any twelve-month period to serve as a bone marrow donor, (ii) up to thirty (30) days of organ donation leave in any twelve-month period to serve as an organ donor, (iii) up to one (1) hour to donate blood every fifty-six (56) days, and (iv) up to two (2) hours to donate blood platelets in accordance with appropriate medical standards established by the American Red Cross or other nationally recognized standards. Leave under subparagraph (iv) may not be granted more than twenty-four (24) times in a twelve-month period.

(c) An employee may use organ donation leave or other leave authorized in paragraph (b) of this section only after obtaining approval from the employee's agency.

(d) An employee shall not be required to use accumulated sick or vacation leave time before being eligible for organ donor leave.

(e) The department must adopt rules governing organ donation leave, including rules that (i) establish conditions and procedures for requesting and approving leave, and (ii) require medical documentation of the proposed organ or bone marrow donation before leave is approved by the employing agency.