Any teacher holding a valid Louisiana teaching certificate in the public school system of Louisiana who has transferred to Louisiana from the public school system of another state and who, at the time of such transfer, held a valid teacher's certificate from that state shall be given full credit under the state minimum salary schedule provided for in R.S. 17:419-422 for the years of satisfactory teaching service previously rendered in the public school system of that state.
La. R.S. § 17:424.3