Registration form located HERE.
Payment form is linked after you register, but is also found in the table below by clicking on the corresponding dollar amount. You can check if your country is
High, Middle, or
Low income by clicking on the corresponding hyperlink in this sentence. Look for your country listed at the bottom of the webpage that opens up.
Please note the Country field on the payment form only allows USA. Ignore this field if you live outside of the United States.