Oregon Revised Statutes Occupations and Professions § 673.415

(1) The Department of Revenue may furnish to the Oregon Board of Accountancy a copy of the signature block of an income tax return prepared by any person for another. The signature block may be furnished in instances in which the department or the board has reasonable grounds to believe the person preparing the return prepared it in violation of any provision of ORS 673.010 to 673.465. The signature block shall include the name, address and signature of the person who prepared the income tax return and the date the return was prepared. The department may include with the signature block the name and address of the taxpayer, the number of the tax form prepared, the tax year of the income tax return prepared and the information described in ORS 314.835. The board, and its members, officers and employees, shall use the names and addresses furnished under this section solely in the enforcement of ORS 673.010 to 673.465 and shall not otherwise divulge or make known such information. A violation of this prohibition against disclosure is punishable as provided in ORS 314.991 (2).

(2) The Department of Revenue may furnish to the board a copy of the signature block of a tax return or report permitted or required to be filed with the department and prepared by any person for another. The signature block may be furnished in instances where the department or the board has reasonable grounds to believe the person preparing the return or report prepared it in violation of any provision of ORS 673.010 to 673.465, or any rule adopted thereunder. The signature block shall include the name, address and signature of the person who prepared the tax return or report and the date the return or report was prepared. The department may include with the signature block the name and address of the taxpayer, the number of the tax form or report prepared, the tax year of the return or report prepared and the information described in ORS 314.835. The board, its members, officers and employees, shall use the names and addresses furnished under this section solely in the enforcement of ORS 673.010 to 673.465 and shall not divulge or make known such information. Any person who violates this prohibition against disclosure, upon conviction, is punishable as provided in ORS 314.991 (2).