BRIAN LLEGE Student Resources * Faculty Resources . Academic Resources How did John Law Banque General Bill's become the official currency of France. O a. Louis XV decreed it was the office currency. O b. The Duke of Orleans declared that taxes must be payed using the bills (bank notes) O c. People just liked the portability and started using it. O d. There was not enough gold in circulation so people started to use it. What is the main difference between John Laws banking system and today's banking system