48-833. Exemption based on length of service
A person who has been employed by the district and has faithfully discharged his duties for seven years may be thereafter exempt from the performance of military duty in time of peace by presenting to the clerk of the board of supervisors of the county in which he resides a certificate signed by the chief officer of the district to which he has belonged, showing that he has served for seven years as an active fire fighter in this state. Thereupon the clerk shall enter his name in a book kept for that purpose containing a list of the fire fighters and endorse upon the certificate the fact that the name of the person mentioned therein has been so entered.