TRN Groupingtaxexpert2022-12-22T06:52:55+00:00 TRN Grouping Two or more businesses registered with the authority for Tax purposes as a single taxable business in accordance with the provisions of this decree law.To know more Click here, please feel free to contact us at +971 600 57 5550 or email us at Taxsupport@skylines.ae for assistance. (Monday to Friday 9:00 am to 6:00 pm).