Retailers offering food to go must now add calorie and portion information to menus and displays.

Products such as ready-to-eat pizzas, hot beverages, bakery items and pre-packaged for direct-sale foods all fall under the legislation, which came into force on 6 April.

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Stores are also required to clearly display a notice that highlights the daily number of calories recommended for adults.

If a retailer is providing food that would otherwise be in scope of their rules independently of their symbol group or franchise arrangement, then as long as they have fewer than 250 employees, they are exempt from the legislation.