I need help to reduce my son's visa fines to get...

If your inquiry is related to the children residing in the UAE in violation of the residency law, here is the following information:
It is not possible to allow children to leave the Emirates until after paying the full value of the fines for residency violations.
And you can try to submit a request for mercy to reduce the value of the fine required.
The fine ranges from one hundred dirhams for each day of illegal residence.
The application for mercy is submitted to the General Administration of Residence
Finally, we point out
In addition, a request can be submitted to reduce the value of the fine by fifty percent if you are going to leave the UAE with all family members in exchange for preventing you from entering the UAE for a period of at least one year, and the ban period may increase.
But if you want to stay in the UAE, you must pay the full value of the fines