This part does not annul, alter, or affect, or exempt any person subject to the provisions of this part from complying with, the laws of any State with respect to credit billing practices, except to the extent that those laws are inconsistent with any provision of this part, and then only to the extent of the inconsistency. The Bureau is authorized to determine whether such inconsistencies exist. The Bureau may not determine that any State law is inconsistent with any provision of this part if the Bureau determines that such law gives greater protection to the consumer.