If your client's organization has a valid payment method on file, their yearly subscription will automatically renew. Billing managers can view and update the organization's payment method and subscription.
If you're not a billing manager for the organization, ask your client to have an owner of the organization add you to the organization as a billing manager .
Tip : Billing managers can also change the organization's number of paid seats anytime.
In the upper-right corner of any page on GitHub, click your profile photo, then click Settings .
In the "Access" section of the sidebar, click Organizations .
Next to the organization, click Settings .
If you are an organization owner, in the "Access" section of the sidebar, click Billing and plans .
At the top of the page, click Payment information .
Under "Payment method", click New Card .
Under "Payment method", choose to pay with a credit card or PayPal.
Complete the payment information form, then click Submit .