Full payment is due at time of checkout. All credit, debit, or PayPal payments are processed immediately.. Refunds will not be issued if you are within 48 hours of testing. You may reschedule within 30 days without an additional charge. All qualifying refunds are processed with 3 business days. Refund will be returned only to credit card provided during checkout. Statlab Mobile is not responsible for any refund delay your financial institution. If Statlab Mobile is unable to retrieve a quality sample for testing, a full refund is issued with 3 business days.