Good morning ms. Saeed, my mom got a UAE tourist...

We would like to inform you that according to the UAE Residence law, the visa can be extended for a similar period for visitors and tourists in the UAE can request the extension of visit visas, tourism and entry permits of all kinds (long or short) for 30 days, and only twice, regardless of the original length of the original visa, without having to leave the UAE.
The fee for the extension of entry permits and tourist visas is AED 600 per extension. The renewal application must be submitted before the expiry of the previous visa period.
Violators who exceed the visa periods without renewing them according to the specified time and dates shall be liable to a fine of AED 100 for each day of delay, which shall be imposed 10 days after the expiry of the entry permit or visa. The extension date will be started once the previous permit is expired.
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You can review the Immigration and Residence and Passports Department and apply to extend the visa. Or you can go to the Impost office to handle the procedures.