Versions of Louisiana Revised Statutes 17:421.9 - Supplements to salaries of school psychologists having certain credentials issued by the National School Psychology Certification Board on LawServer 2023 Louisiana Revised Statutes 17:421.9 – Supplements to salaries of school psychologists having certain credentials issued by the National School Psychology Certification Board 2022 Louisiana Revised Statutes 17:421.9 – Supplements to salaries of school psychologists having certain credentials issued by the National School Psychology Certification Board 2021 Louisiana Revised Statutes 17:421.9 – Supplements to salaries of school psychologists having certain credentials issued by the National School Psychology Certification Board 2020 Louisiana Revised Statutes 17:421.9 – Supplements to salaries of school psychologists having certain credentials issued by the National School Psychology Certification Board 2019 Louisiana Revised Statutes 17:421.9 – Supplements to salaries of school psychologists having certain credentials issued by the National School Psychology Certification Board 2017 Louisiana Revised Statutes 17:421.9 – Supplements to salaries of school psychologists having certain credentials issued by the National School Psychology Certification Board 2016 Louisiana Revised Statutes 17:421.9 – Supplements to salaries of school psychologists having certain credentials issued by the National School Psychology Certification Board 2015 Louisiana Revised Statutes 17:421.9 – Supplements to salaries of school psychologists having certain credentials issued by the National School Psychology Certification Board 2014 Louisiana Revised Statutes 17:421.9 – Supplements to salaries of school psychologists having certain credentials issued by the national school psychology certification board 2013 Louisiana Revised Statutes 17:421.9 – Supplements to salaries of school psychologists having certain credentials issued by the national school psychology certification board 2009 Louisiana Revised Statutes 17:421.9 – Supplements to salaries of school psychologists having certain certificates issued by the national