The Oregon Department of Revenue, in conjunction with the Oregon Film and Video Office, will be auctioning 8,000 income tax credit certificates, worth $500 each for a total of $4 million dollars. The sale of the tax credits will benefit the Oregon Production Investment Fund (OPIF). The minimum bid is $475 per certificate. The on-line auction will be held today October 21, 2013 at 9 am and ends Friday October 25, 2013 at 5pm.