It's part of a longer term goal to ban single use coffee cups.
Cafés will not be obliged to accept unwashed coffee cups from customers, when the "Latte Levy" kicks in.
Under the Circular Economy Bill, businesses will have the right to refuse dirty or flimsy cups and give a disposable one instead - at the cost of 20c.
It's part of a longer term goal to ban single use coffee cups.
Owner of KC Peaches Café in Dublin Katie Cantwell explains why she's opposed to the move: