2024 California Water Code 15 – “Shall” is mandatory and “may” is permissive.

2023 California Water Code 15 – “Shall” is mandatory and “may” is permissive.

2022 California Water Code 15 – “Shall” is mandatory and “may” is permissive.

2021 California Water Code 15 – “Shall” is mandatory and “may” is permissive.

2020 California Water Code 15 – “Shall” is mandatory and “may” is permissive.

2019 California Water Code 15 – “Shall” is mandatory and “may” is permissive.

2017 California Water Code 15 – “Shall” is mandatory and “may” is permissive.

2016 California Water Code 15 – “Shall” is mandatory and “may” is permissive.

2015 California Water Code 15 – “Shall” is mandatory and “may” is permissive.

2014 California Water Code 15 – “Shall” is mandatory and “may” is permissive.

2013 California Water Code 15 – “Shall” is mandatory and “may” is permissive

2010 California Water Code 15

2009 California Water Code 15