The first step should be to carefully evaluate the enterprise tax return to establish any errors or discrepancies.
If errors are discovered, it might be useful to seek the advice of with a tax professional or accountant to assist identify and right any errors.
If errors are recognized, the business could have to file an amended tax return to correct any discrepancies.
If there are discrepancies that cannot be resolved internally, it may be needed to communicate with the relevant tax authorities to clarify the scenario and seek steering on tips on how to proceed.
It is necessary to keep detailed records of any communication or actions taken to handle errors or discrepancies in business returns for future reference.