Onward Flights from American Samoa

Do I need an onward ticket to enter American Samoa?

1. Provide a copy of a valid, machine readable passport issued by the traveler's country of origin (expiration date must be valid for no less than six (6) months from date of travelers departure from American Samoa).
2. Provide a copy of a round-trip or onward ticket, leaving American Samoa within 30 days or less of arrival.
3. Payment of a $20 USD processing fee (payable upon arrival).