CBDT , vide Notification No. 43/2023 dt . Jun 21, 2023, introduces Rule 21AGA and Form 10-IEA (applicable AY 2024-25 onwards) to opt for or withdraw from the new tax regime for the persons having income from business or profession; The rule also provides that the persons not having income from business or profession can opt for new regime through the returns of income furnished under Section 139(1); DGIT (Systems) is required to specify the digital procedure for furnishing Form 10-IEA