if my basic salary is one thousand two hundred...

as in addition to any sums owed to the worker upon the end of his service, the employer must pay an end-of-service reward to the worker Who spent a full year or more at work. This remuneration is determined by agreement between the two parties, provided that it is not less than three weeks ’wages for each year of service, and the worker is entitled to the remuneration for the fractions of the year in proportion to the period he / she spent in service.
The employee's last basic wage is taken as the basis for calculating the aforementioned bonus.
The employer has the right to deduct from the remuneration the amounts owed to him by the worker.
This is according to the provisions of the Qatari Labor Law,
Article 54
In addition to any amounts owed to the worker upon the end of his service, the employer must pay an end of service gratuity to the worker who has spent a full year or more at work. This remuneration is determined by agreement between the two parties, provided that it is not less than three weeks ’wages for each year of service, and the worker is entitled to the remuneration for the fractions of the year in proportion to the period he / she spent in service.