https://www.federalreserve.gov/faqs/currency_12772.htm https://www.federalreserve.gov/faqs/currency_12772.htm The legal tender law is about what forms of payme

https://www.federalreserve.gov/faqs/currency_12772.htm https://www.federalreserve.gov/faqs/currency_12772.htm The legal tender law is about what forms of payment can validly settle a debt denominated in US currency. That is a far cry from "what must businesses accept in daily consumer purchases". Congress could likely force businesses to accept all forms of legal tender, but hasn't.