Upto AY 2023-24:
a) Optional for assessee to opt for taxation u/s. 115BAC.
b) Option to be exercised by filing Form 10-IE (in case of person having income from business or profession) within due date u/s. 139(1) of the Act.
c) Option to be selected while filing return of income u/s. 139(1) of the Act (in case of person not having income from business or profession).
d) If Option not exercised – then return of income had to be filed only under the Old Scheme.
e) Applicable only to Individual or HUF.
W.e.f. AY 2024-25:
a) New Regime (Section 115BAC) is Default Tax Regime and Old Regime is optional.
b) If a taxpayer (having income from business or profession) has to opt for Old Regime, then Form 10-IEA has to filed within the due date specified u/s. 139(1) of the Act.
c) If a taxpayer (not having income from business or profession) has to opt for Old Regime, then Option has to be selected while filing return of income u/s. 139(1) of the Act.
d) To opt out of the New Regime, the above procedure (of filing Form 10-IEA for person having income from business / profession or selection in ITR for person not having income from business / profession) is irrespective of whether such taxpayer had filed ITR for AY 2023-24 under the Old Regime or the New Regime.