Citation from the Ministry of ...

Ministry of Human Resources and Social Development cited for all facilities of private sector that it's illegal to make workers sign on a promissory note to ensure their commitment. This procedure is the contrary to article (20) of the Saudi work system. The Ministry has emphasized all facilities to require the ability of absolute and non- violations to avoid the organazied procedures and decided sanctions.
The article (20) provides:
The employer or worker is not entitled to do an abuse of the provision of this system or resolutions and regulations issued in accordance with its provisions.
No one of them is entitled to carry out a work that would press the freedom of the other or of workers or employers to achieve any interest or point of view, which contrary to the freedom of work or the competence of the competent authority to accommodate disputes.