Formats for Digital Proof of Eligibility. The end user must use a digital camera or scanner to create a copy of his/her proof of eligibility. All documents must be clear, legible, and true to size. Acceptable formats include JPEG, GIF, BMP, TIF, and PDF. The file must be no larger than 3MB. Proof of eligibility must be submitted in accordance with the instructions accompanying the Adobe Student and Teacher Edition Software Product.