The organization must list all of its current officers, directors, and trustees, as those terms are defined in the Glossary contained in the instructions. Do not enter social security numbers on this form as it may be made public.Complete Part I of Schedule L (Form 990 or 990EZ). If "Yes," complete Part I of Schedule L (Form 990). Go to. Organizer. ,. Complete if the organization is a section 501(c)(3) organization or a section. 4947(a)(1) nonexempt charitable trust. If "Yes," complete Part I of Schedule L (Form 990). 7. 8. Or Section 4947(a)(1) Trust Treated as Private Foundation. Do not enter social security numbers on this form as it may be made public.