RO-ILS Subscription Payment Guide
RO-ILS practices are required to pay a non-refundable, annual fee to participate in the program. The practice's primary contact (i.e., RO-ILS Liaison) receives an email embedded with the RO-ILS subscription invoice. The following frequently asked questions provide more information about processing payment.
1. How can I download a PDF copy of my invoice?
To download a PDF version of your invoice, please follow these steps:
- Visit https://www.astro.org/paynow.
- Enter your order number (invoice number) in the search field and click Search.
- Click the Print icon under the "Print Invoice" header on the right side.
- A PDF version of the invoice will appear, which you can print or download for your records.
2. Where can I find ASTRO’s W-9 form?
A current copy of ASTRO’s W-9 form is available online.
3. How can I make a payment for an invoice?
To pay your invoice online using a credit card, please follow these steps:
- Visit https://www.astro.org/paynow.
- Enter your order number (invoice number) in the search field and click Search.
- Review the invoice details displayed on the screen.
- Scroll down to the Payment Information section and enter the credit card information.
- Click Submit Payment.
4. Who should I contact with questions about invoice payments?
Please contact ASTRO's Finance Department.

