2023 Washington Code 35.21.855 – Taxation of intellectual property creating activities — Gross receipts tax prohibited — Exceptions

2022 Washington Code 35.21.855 – Taxation of intellectual property creating activities–Gross receipts tax prohibited–Exceptions

2020 Washington Code 35.21.855 – Taxation of intellectual property creating activities — Gross receipts tax prohibited — Exceptions

2019 Washington Code 35.21.855 – Taxation of intellectual property creating activities — Gross receipts tax prohibited — Exceptions

2018 Washington Code 35.21.855 – Taxation of intellectual property creating activities — Gross receipts tax prohibited — Exceptions

2016 Washington Code 35.21.855 – Taxation of intellectual property creating activities–Gross receipts tax prohibited–Exceptions

2015 Washington Code 35.21.855 – Taxation of intellectual property creating activities–Gross receipts tax prohibited–Exceptions

2014 Washington Code 35.21.855 – Taxation of intellectual property creating activities — Gross receipts tax prohibited — Exceptions

2013 Washington Code 35.21.855 – Taxation of intellectual property creating activities — Gross receipts tax prohibited — Exceptions

2009 Washington Code 35.21.855 – Taxation of intellectual property creating activities — Gross receipts tax prohibited — Exceptions