2023 Washington Code 5.40.040 – Proof of authenticity of signature to report or of certification

2022 Washington Code 5.40.040 – Proof of authenticity of signature to report or of certification

2020 Washington Code 5.40.040 – Proof of authenticity of signature to report or of certification

2019 Washington Code 5.40.040 – Proof of authenticity of signature to report or of certification

2018 Washington Code 5.40.040 – Proof of authenticity of signature to report or of certification

2016 Washington Code 5.40.040 – Proof of authenticity of signature to report or of certification

2015 Washington Code 5.40.040 – Proof of authenticity of signature to report or of certification

2014 Washington Code 5.40.040 – Proof of authenticity of signature to report or of certification

2013 Washington Code 5.40.040 – Proof of authenticity of signature to report or of certification

2009 Washington Code 5.40.040 – Proof of authenticity of signature to report or of certification