The Washington State Department of Revenue is a tax collection agency. The department provides taxpayer assistance, information and education services. It distributes money to local governments. The Washington State Department of Revenue also handles unclaimed properties. It performs tax and fiscal research activities. The department locates unregistered businesses. The Washington State Department of Revenue employs more than 995 people. The department operates over 15 offices throughout Washington. It conducts retail sales, business and public utility tax audits. The Washington State Department of Revenue organizes several workshops. The department processes nearly 2 million tax returns annually. It additionally reviews and appeals business registration revocation and adverse rulings.