Environment secretary Michael Gove announced the move following a consultation which included the views of Slush Puppie, ACS and the British Soft Drinks Association.

Though many suppliers are expected to switch to eco-friendly products beforehand, compliance expert and partner at corporate law firm DWF David Egan warned: “Businesses may face cost pressures in the short term as they switch to eco-friendly alternatives.”

He said this would be “a particular issue for small and medium retailers”.

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