Artikel 4

1. Unless otherwise determined by national law or practice, the term “hours of work” means the time during which a worker is at the disposal of the employer.
2. The workers concerned shall be entitled to reasonable normal hours of work and overtime provisions in accordance with national law and practice.
3. The workers concerned shall be provided with reasonable minimum daily and weekly rest periods, in accordance with national law and practice.
4. The workers concerned shall, where possible, have sufficient advance notice of working schedules to enable them to organise their personal and family life accordingly.