Article 7
Night work 1. Member States shall take the necessary measures to ensure that workers referred to in Article 2 are not obliged to perform night work during their pregnancy and for a period following childbirth which shall be determined by the national authority competent for safety and health, subject to submission, in accordance with the procedures laid down by the Member States, of a medical certificate stating that this is necessary for the safety or health of the worker concerned. 2. The measures referred to in paragraph 1 must entail the possibility, in accordance with national legislation and/or national practice, of: (a) transfer to daytime work; or (b) leave from work or extension of maternity leave where such a transfer is not technically and/or objectively feasible or cannot reasonably by required on duly substantiated grounds.