Young workers shall not be employed on Sundays and festivals, nor during the hours appointed for regular spiritual duties, instruction in the catechism, preparation for confession and communion, by the authorized priest or pastor of the community. Sec. 137. Girls and women cannot be employed in factories during the night, between the hours of 8.30 p.m. and 5.30 a.m., and must be free on Saturdays and on the eves of festivals by 5.30 p.m. The employment of women workers over 16 years of age must not exceed 11 hours a day, and on Saturdays and the eve of festivals must not exceed 10 hours. An interval between the hours of work of at least one hour at mid-day must be allowed to women workers. Women workers over 16 years of age, who manage a household, shall at their request be set free half an hour before the mid-day interval, except in cases where this amounts to at least one and a half hours. Women after childbirth can in no case be admitted to work until fully four weeks after delivery, and in the following two weeks only if they are declared to be fit for work by a duly authorized physician. Sec. 138. The owners of factories, in which it is intended to employ women or young persons, must make a written announcement of the fact to the local police authorities before such employment commences. The notice shall set forth the name of the factory, the days of the week on which employment is to take place, the beginning and end of the time of work, and the intervals granted, also the kind of employment. No alteration can be made except such delays as are temporarily necessitated by the replacement of absent workers in separate shifts of work, before notice thereof has been given to the magistrate. In every factory the employer shall, in the workrooms in which young workers are employed, provide a register of young workers to be posted up in some conspicuous place; the same shall contain information as to days of work, beginning and end of time of work, and intervals allowed. He shall likewise provide in such workrooms a notice board, on which shall be posted up, in plain writing, an extract, to be determined by the Central Court, from the provisions for the employment of women and young workers. Sec. 138_a_. In case of unusual pressure of work, the lower court of administration shall be empowered, on application of the employer, to permit for a fortnight at a time, the employment of women workers over 16 years of age up to 10 o'clock in the evening (except on Saturdays), provided that their daily working time does not exceed 13 hours. Such extension cannot be allowed to the employer during more than 40 days in any one year.