The following persons are entitled to have their names entered on an appropriate existing register in the order prescribed by Sec. 332.401 if they were last employed under career or career-conditional appointments:
(a) A preference eligible who is declared eligible therefor after appeal from furlough or discharge; and
(b) A preference eligible who has been furloughed or separated without delinquency or misconduct and who applies within 90 days after furlough or separation. Sec. 332.314 [Reserved]
Restoration of Eligibility