2023 Washington Code 46.71.060 – Retention of price estimates and invoices

2022 Washington Code 46.71.060 – Retention of price estimates and invoices

2020 Washington Code 46.71.060 – Retention of price estimates and invoices

2019 Washington Code 46.71.060 – Retention of price estimates and invoices

2018 Washington Code 46.71.060 – Retention of price estimates and invoices

2016 Washington Code 46.71.060 – Retention of price estimates and invoices

2015 Washington Code 46.71.060 – Retention of price estimates and invoices

2014 Washington Code 46.71.060 – Retention of price estimates and invoices

2013 Washington Code 46.71.060 – Retention of price estimates and invoices

2009 Washington Code 46.71.060 – Retention of price estimates and invoices