أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Here are the answer of above my above question. which i get from GAZT and during my VAT training.
VAT Return period will be as follows .
company where revenue between 1M to 40M shall submit there returns quarterly and more than 40M they will submit the returns monthly.
You need to registered parent and subsidiary company and later on you can request GAZT for one VAT number.