When you print the form then the first page (Check list Form) will tell you which documents to send with the application, the documents include (e.g.)
*Checklist form
*Online form printed summary.
*recent ID photo, passport format (35 mm X 45 mm)
*legible photocopy of the identity pages of your passport containing your personal information, photo and the passport expiry date
*letter of admission from the registrar (or admissions office) of the educational institution you will attend