A cashier can legally refuse your payment if you try to use too many coins in a single transaction.

Trouble-o-Meter
Retailers regularly invoke this to reject garbage bags full of loose change.

Status: still on the books

Why Is This a Law?

This law exists to keep the economy moving. It stops angry people from holding up store lines by paying large bills entirely in pocket change.

A citizen earnestly dealing with the law: A cashier can legally refuse your payment if you try to use too many coins in a single transaction.