A certificate of tax compliance is a letter from the DOR verifying that you as an individual, or your business, are in compliance with all state and local tax and fee programs administered by DOR.
In order to stay compliant with tax payments and receive your Tax Compliance Certificate, marijuana retailers must:
Source: https://www.oregon.gov/olcc/marijuana/pages/mj-tax-compliance.aspx
https://www.oregon.gov/DOR/programs/businesses/Pages/marijuana.aspx