Versions of Oregon Statutes 319.310 - Claims for refunds may be required to be under oath; investigation of claims on LawServer 2023 Oregon Statutes 319.310 – Claims for refunds may be required to be under oath; investigation of claims 2021 Oregon Statutes 319.310 – Claims for refunds may be required to be under oath; investigation of claims 2019 Oregon Statutes 319.310 – Claims for refunds may be required to be under oath; investigation of claims 2017 Oregon Statutes 319.310 – Claims for refunds may be required to be under oath; investigation of claims 2015 Oregon Statutes 319.310 – Claims for refunds may be required to be under oath; investigation of claims 2013 Oregon Statutes 319.310 – Claims for refunds may be required to be under oath; investigation of claims 2009 Oregon Statutes 319.310 – Claims for refunds may be required to be under oath; investigation of claims