Iowa Admin. Code r. 11-63.20
Employees, excluding employees covered by a collective bargaining agreement that provides otherwise, shall be granted leave pursuant to Iowa Code section 70A.39. An employee who is granted a leave of absence under Iowa Code section 70A.39 shall receive leave without loss of seniority, pay, vacation time, personal days, sick leave, insurance and health coverage benefits, or earned overtime accumulation. To ensure adequate staffing, an appointing authority may require employees to request leave, in advance, to serve as a voluntary blood donor pursuant to Iowa Code section 70A.39(2)"c." An employee who requests leave to serve as a voluntary blood donor pursuant to Iowa Code section 70A.39(2)"c" may be denied such leave by the appointing authority if granting the leave would unreasonably impact the operational efficiency of the agency. The employee shall be compensated at the employee's regular rate of pay for those regular work hours during which the employee is absent from work. An employee deemed to be on leave under Iowa Code section 70A.39 shall not be deemed to be an employee of the state for purposes of workers' compensation or for purposes of the Iowa tort claims Act, Iowa Code chapter 669.
Iowa Admin. Code r. 11-63.20