Sec. 68.1. Term of eligible list

The maximum term of an eligible list shall be four years, unless a shorter term is prescribed by the president of the commission, the administrative director or the deputy or assistant administrative director of the Department of Civil Service. An eligible list which has been in force for longer than one year or which has become exhausted shall terminate upon the establishment of a new list of eligibles for the same position unless otherwise prescribed by the president of the commission, the administrative director or the deputy or assistant administrative director of the Department of Civil Service.