2007 Lister's Corner
IL State List Submission Form (250 minimum)

This form is designed to allow birders to submit a list of birds which they have identified in Illinois. Only birds that are on the official state checklist may be entered. The "sp." checkbox may only be used if none of the checked birds are otherwise included. For example, "scoter sp." may be checked if none of the three individual scoter species are checked. For a submission other than a state list, such as year, month, day, county, yard or site, please designate the type after your name: i.e. Jane Smith's 2007 Calhoun List.

Two points:
1) You don't need to be a member of IOS in order to be included on the list (although your membership is welcomed).
2) List submission is not mandatory in order to be included on the list.