2023 Washington Code 82.26.130 – Invoices — Nonpayment — Penalties and interest

2022 Washington Code 82.26.130 – Invoices–Nonpayment–Penalties and interest

2020 Washington Code 82.26.130 – Invoices — Nonpayment — Penalties and interest

2019 Washington Code 82.26.130

2018 Washington Code 82.26.130 – Invoices — Nonpayment — Penalties and interest

2016 Washington Code 82.26.130 – Invoices–Nonpayment–Penalties and interest

2015 Washington Code 82.26.130 – Invoices–Nonpayment–Penalties and interest

2014 Washington Code 82.26.130 – Invoices — Nonpayment — Penalties and interest

2013 Washington Code 82.26.130 – Invoices — Nonpayment — Penalties and interest

2009 Washington Code 82.26.130 – Invoices — Nonpayment — Penalties and interest