Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS. Do not enter social security numbers on this form as it may be made public.On the Membership page, click on the Upgrade Membership link. Complete the dues form and submit payment. Current Non-Profit Entities Filing IRS Tax Form 990 with the Attorney General. â–· Do not enter social security numbers on this form as it may be made public. This organization is required to file an IRS Form 990 or 990-EZ. Sign in or create an account to view Form(s) 990 for 2012, 2011 and 2010. 321 N Clark St. Chicago, IL 60654-. View and download the year Form 990 for Nebraska County Attorneys Association, for the fiscal year ending 2023-12.