2023 Washington Code 41.04.110 – Persons employed by more than one agency — Joint operation — May provide membership in single system

2022 Washington Code 41.04.110 – Persons employed by more than one agency–Joint operation–May provide membership in single system

2020 Washington Code 41.04.110 – Persons employed by more than one agency — Joint operation — May provide membership in single system

2019 Washington Code 41.04.110 – Persons employed by more than one agency — Joint operation — May provide membership in single system

2018 Washington Code 41.04.110 – Persons employed by more than one agency — Joint operation — May provide membership in single system

2016 Washington Code 41.04.110 – Persons employed by more than one agency–Joint operation–May provide membership in single system

2015 Washington Code 41.04.110 – Persons employed by more than one agency–Joint operation–May provide membership in single system

2014 Washington Code 41.04.110 – Persons employed by more than one agency — Joint operation — May provide membership in single system

2013 Washington Code 41.04.110 – Persons employed by more than one agency — Joint operation — May provide membership in single system

2009 Washington Code 41.04.110 – Persons employed by more than one agency — Joint operation — May provide membership in single system