Note: Only Organization Full Access and Hiring Company Full Access can access 'Billing'.
Step 1: On the Billing screen, click 'Assign to Hiring Company'. Select Hiring Companies overlay pops up.
Step 2: Select the Hiring Companies you would like associated with this credit card.
Step 3: Check off whether or not it is the default credit card and click 'Save'.
This card will now be accessible to all the Hiring Companies it has been assigned to.