Any regular classified employee of the state who has completed 10 years of continuous service for the state other than a law enforcement employee, shall be paid, in addition to the salary to which he or she is entitled by the classification plan, the sum of $350 annually and an additional $350 for each additional 5 years of continuous state service. The additional compensation provided by the provisions of this section shall not affect the maximums set by the classification plan and the receipt of said long service payments shall not prohibit the recipient from receiving the yearly increments to which he or she may be otherwise entitled within his or her classification ranges. Any regular classified employee who transfers, without a break in service, to a position in the unclassified system may transfer all time served for purposes of longevity pay.