A savings association may not in any manner extend credit, lease, or sell property of any kind, or furnish any service, or fix or vary the consideration for any of the foregoing, on the condition or requirement—
(A) that the customer shall obtain additional credit, property, or service from such savings association, or from any service corporation or affiliate of such association, other than a loan, discount, deposit, or trust service;
(B) that the customer provide additional credit, property, or service to such association, or to any service corporation or affiliate of such association, other than those related to and usually provided in connection with a similar loan, discount, deposit, or trust service; and
(C) that the customer shall not obtain some other credit, property, or service from a competitor of such association, or from a competitor of any service corporation or affiliate of such association, other than a condition or requirement that such association shall reasonably impose in connection with credit transactions to assure the soundness of credit.