The Oregon statewide transit tax is not include in the Oregon state withholding record in Financial Edge.  This tax will need to be recorded as a local tax item: see How to add or update Federal, State or Local tax tables (includes video demo)

Blackbaud Support cannot make recommendations on how this local tax item should be setup.  Please consult with a tax professional if more information is needed on how this tax works and setup the local tax item accordingly.