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.File the Annual Return Form 990. Note that the due date is 4 and a half months after the end of fiscal year. Complete if the organization answered "Yes" on Form 990, Part IV, line 33, 34, 35b, 36, or 37. Did the organization invest in, contribute assets to, or participate in a joint venture or similar arrangement with a taxable entity during the year? Part I. Type of Return and Return Information. If "Yes," complete Part I of Schedule L (Form 990 or 990-EZ). Under section 501(c), 527, or 4947(a)(1) of the Internal Revenue Code (except private foundations). FOUNDATION - 300 STEAMBOAT ROAD -.