Is it illegal for a business to refuse cash as payment?

But, IT'S LEGAL TENDER! Clearing up confusion...

Let's Talk About Cash (and Legal Tender!)

Can a Store Refuse to Let You Pay in Cash? Lehto's Law Ep. 5.88

Is it legal for businesses to refuse cash in DC, Maryland and Virginia? | Verify

Piers Corbyn pays with cash at a cashless Aldi

Legal Tender Debate & Explanation

No, there isn't a federal law that requires businesses to accept cash

Legal Tender Laws vs Gresham's Law

Is the CASHLESS Society Coming? Can Businesses Refuse Cash?

No Cash, No Pint! The Cashless Society!

Can Stores Refuse to Take Your Cash?

Legal Tender for All Debts Public and Private: Bank of America Refuses Cash for Mortgage Payment

Should it be illegal to refuse cash? Feat. Kevin Maguire & Ann Widdecombe | Jeremy Vine

Dear PAO: Certain amounts for coins to be considered as legal tender

Is it legal to refuse pennies as payment?

When are coins considered legal tender? (Section 52 of RA 7653, as amended)

California Rejects the Greenback: States Rights During The Civil War

Promissory Notes Are Legal Tender - Private Banker from Black’s Law Dictionary

Are businesses allowed to not accept cash? | Verify