If your organization is already paying for its GitHub subscription with a coupon, and you aren't using your payment method for any other paid features or products on GitHub, you can remove your organization's credit card or PayPal information.
In the top right corner of GitHub, click your profile photo, then click Your profile.
On the left side of your profile page, under "Organizations", click the icon for your organization.
Under your organization name, click Settings.
In your organization's Settings sidebar, click Billing.
In the "Payment" section, click .
Confirm the change by clicking Remove credit card or Remove PayPal account.