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1. Young persons under eighteen years of age shall not be employed or work during the night in any public or private industrial undertaking or in any branch thereof except as hereinafter provided for.
2. For purposes of apprenticeship or vocational training in specified industries or occupations which are required to be carried on continuously, the competent authority may, after consultation with the employers' and workers' organisations concerned, authorise the employment in night work of young persons who have attained the age of sixteen years but are under the age of eighteen years.
3. Young persons employed in night work in virtue of the preceding paragraph shall be granted a rest period of at least thirteen consecutive hours between two working periods.
4. Where night work in the baking industry is prohibited for all workers, the interval between nine o'clock in the evening and four o'clock in the morning may, for purposes of apprenticeship or vocational training of young persons who have attained the age of sixteen years, be substituted by the competent authority for the interval of at least seven consecutive hours falling between ten o'clock in the evening and seven o'clock in the morning prescribed by the authority in virtue of paragraph 3 of Article 2.