That isn't for restaurants.

Yes it is

> For non-prepacked foods – such as those sold in restaurants, cafés or deli counters – allergen information must be provided.

	▲	WarmWash a day ago \| parent [-]
		The linked page is for packaging, which are unique to the EU. The US has it's own allergen labeling guidelines, which seem similar, but I'm not going to 1:1 check. For restaurants it's mostly up to the states with the FDA providing guidance.