The prohibition of Sunday work does not apply:
- to family undertakings in which the only employees are ascendants, descendants, brothers and sisters or within the same degree of the employer;
- to hotels, restaurants, canteens, bars and other establishments where food and beverages are consumed;
- to pharmacies, drugstores and shops selling medical and surgical apparatus;
- to fairground undertakings;
- to agricultural and winegrowing undertakings;
- to public entertainment undertakings;
- to undertakings responsible for providing lighting, water supply and energy;
- to transport undertakings;
- to establishments concerned with the treatment or hospitalisation of people who are sick, infirm, impoverished or marginalised, dispensaries, children’s homes, sanatoriums, rest homes, retirement homes, children’s holiday camps, orphanages and boarding schools;
- to domestic service companies;
- to museums;
- to companies in which the work performed, by reason of its nature, cannot be interrupted or delayed.
As regards the latter category of companies, the law provides that a Grand-Ducal Regulation is to specify the companies concerned and indicate the nature of the works authorised to be carried out on Sundays.