1. Where foods are offered for sale to the final consumer or to mass caterers without prepackaging, or where foods are packed on the sales premises at the consumer's request or prepacked for direct sale:
(a)
the provision of the particulars specified in point (c) of Article 9(1) is mandatory;
(b)
the provision of other particulars referred to in Articles 9 and 10 is not mandatory unless Member States adopt national measures requiring the provision of some or all of those particulars or elements of those particulars.
2. Member States may adopt national measures concerning the means through which the particulars or elements of those particulars specified in paragraph 1 are to be made available and, where appropriate, their form of expression and presentation.
3. Member States shall communicate to the Commission the text of the measures referred to in point (b) of paragraph 1 and in paragraph 2 without delay.