Aircraft Flight Operation Regulations Article 152

The maintenance personnel shall be given a rest period of at least 24 consecutive hours during any seven consecutive days of his/her duty. However, due to special operations conditions at outer stations, this requirement may be waived when the total duty hours of such maintenance personnel are less than 40 hours per week and an agreement reached by the employer and employee both parties have been accepted by the local labor authorities, or for those who are performing emergency duties.