Hello sir

We would like to inform you that in case the visitor overtays and breaks the residence period, by which he / she entered the country, visit or tourism will be considered a violator and he / she shall be fined by the competent authorities. The fine is about 200 AED on the first day, and 100 AED on each day after that. 
The passports department is responsible of collecting 100 AED as a fine on every day that the foreigners stay illegally in the country.
In regard to the residents in UAE, the law grants them a grace period of 30 days to correct the situation and provide new sponsorship to them and to their sponsored or they have to leave the country and there is no fines in that period. If that period expired and the resident exceed the 30 days, then he must pay (125 AED) for the first day (25 AED) on every day of the first six months, (50 AED) for each of the next six months, (100 AED) for each day next to the year.