5 How many chart of accounts can be assigned to company code we can assign company code to chart of account through OB62? Now my question is in what way we can assign three types of chart of account to company code in one transaction code (I might be wrong plz correct me)

Answer: Three, although the group and country chart of accounts are optional. The group chart of accounts is assigned to the operational chart of accounts, and the only mandatory CoA is the Operational CoA.