Is Nigerian allow to make renewal visit visa

According to the announcements in effect at the Federal Authority for Identity and Citizenship in the Emirates, visit visas may be extended for a period of 30 days, and for two times ONLY, regardless of the original stay period in the visa, and without any need to leave the UAE, as the prescribed fees for extending entry permits and tourist visas are 600 dirhams for each extension process. Know that, the renewal application is submitted before the expiry of the previous visa period.