COVID-19 English to Spanish Medical Medical (general) Terms and conditions

This is a website that sells an at-home COVID test. Depending on whether or not a person qualifies for the test, they may or may not be approved to purchase it. This is what optional fulfillment refers to below: the company's ability to say "No, we can't fulfil this purchase/transaction." Any ideas how to render this in SPA?
You understand and agree that the Website is intended to facilitate the following services (the “Services”): administrative support in connection with coordinating optional fulfilment and payment for diagnostic testing and prescription medications ordered or prescribed by medical providers performing Health Care Services;