2022 Nevada Revised Statutes 392.450 – Drills to instruct pupils in appropriate procedures to be followed in event of lockdown or emergency; approval of drills; posting of escape routes; enforcement; penalty

2021 Nevada Revised Statutes 392.450 – Drills to instruct pupils in appropriate procedures to be followed in event of lockdown or emergency; approval of drills; posting of escape routes; enforcement; penalty

2020 Nevada Revised Statutes 392.450 – Drills to instruct pupils in appropriate procedures to be followed in event of lockdown or emergency; approval of drills; posting of escape routes; enforcement; penalty

2019 Nevada Revised Statutes 392.450 – Drills to instruct pupils in appropriate procedures to be followed in event of lockdown or emergency; approval of drills; posting of escape routes; enforcement; penalty

2017 Nevada Revised Statutes 392.450 – Drills to instruct pupils in appropriate procedures to be followed in event of lockdown or emergency; approval of drills; posting of escape routes; enforcement; penalty

2016 Nevada Revised Statutes 392.450 – Drills to instruct pupils in appropriate procedures to be followed in event of emergency; posting of escape routes; enforcement; penalty

2014 Nevada Revised Statutes 392.450 – Drills to instruct pupils in appropriate procedures to be followed in event of emergency; posting of escape routes; enforcement; penalty

2013 Nevada Revised Statutes 392.450 – Drills to instruct pupils in appropriate procedures to be followed in event of emergency; posting of escape routes; enforcement; penalty