by the same employer, the employer shall reinstate the employee’s previously earned paid sick time. The employee shall be entitled to use the earned paid sick time and earn additional paid sick time at the recommencement of employment with the employer. (9) Prohibition An employer may not require, as a condition of providing paid sick time under this Act, that the employee involved search for or find a replacement employee to cover the hours during which the employee is using paid sick time. (b) Uses Paid sick time earned under this section may be used by an employee for any of the following: (1) An absence resulting from a physical or mental illness, injury, or medical condition of the employee. (2) An absence resulting from obtaining professional medical diagnosis or care, or preventive medical care, for the employee. (3) An absence for the purpose of caring for a child, a parent, a spouse, a domestic partner, or any other individual related by blood or affinity whose close association with the employee is the equivalent of a family relationship, who— (A) has any of the conditions or needs for diagnosis or care described in paragraph (1) or (2)