Can tax regime be changed in updated return

S BANERJEE (PROFESSIONAL) (11 Points)

18 March 2023  

a salaried person has filled original return in old tax regime and claimed a refund which was genuine.

next he has filled revised return in new tax regime 115bac and claimed higher returns. against this income tax has sent a demand.

can the assessee file updated return for the assessment year 2022-23 shifting back to old regime.

please help?