The Department of Energy proposed amending Or. Admin. R. 330-170 and 330-070, which governs the Biomass Producer or Collector Tax Credit program. Changes would implement the new requirement that tax credits be certified and determine the minimum discount value for transfer credits. The comment period closes August 23, 2010. http://arcweb.sos.state.or.us/rules/August_2010_Bulletin.pdf p. 16.