The secretary of administration, upon recommendation of the director of personnel services, is hereby authorized to adopt rules and regulations as provided by Kan. Stat. Ann. § 75-3706, and amendments thereto, establishing a program for the sharing of leave between employees of the state of Kansas. Employees authorized to share leave pursuant to such rules and regulations shall be authorized to donate annual and sick leave to other state employees who are suffering from, or who have a family member suffering from, an extraordinary or severe illness, injury, impairment or physical or mental condition which has caused, or is likely to cause, the employee to take leave without pay or terminate employment. As used in this section “extraordinary or severe” means serious, extreme or life threatening.