You must be paid for working extra hours in Qatar

Qatar Labor Law Section 36:

1) When actual working hours exceed the regular working hours stated in section 35, subsection 1 above, the additional time shall be considered overtime work and the worker shall receive for those hours his regular pay plus an additional 25% at least for overtime.

2) Workers who work at night between the hours of 9 pm and 3 am shall receive the wages for regular hours plus at least 50% of said wages as overtime. This excludes shift workers.

3) Actual working hours shall not exceed ten hours daily, unless the situation requires more hours to prevent a huge loss or a dangerous accident from occurring, or to repair or reduce the effect of said accident if it occurred.