Please return the completed form to the Office of the City Attorney, One. Frank H. Ogawa Plaza, 6th Floor, Oakland, CA 94612.Once the demand payoff has been paid, we will mail the notarized Release of Liens to the address provided on the demand letter request form. To confirm the correct amount to be paid, please contact the undersigned for the payoff amount. Upon confirmation, please select a payment option below. Below are forms related to financial services that you may need while attending Oakland University. Apply for a New Business Tax Certificate online or at the Business Tax Office. Refundable business registration fee plus special fees. It is very important to include required identifying information with your payment. Welcome to the Finance Portal.