4 Working hours
15 § Telephone call compensation
1. If the employee is contacted by telephone on business matters during his or her free time, he or she shall be compensated by single hourly wages for one hour.
2. Telephone calls placed between 9:00pm and 6:00am, as well as on Sundays, public holidays, Independence Day, and the First of May, shall be compensated for by single hourly wages for two hours.