Deferred tax payment for employee share income from eligible startups until sale, job exit, or expiry of the deferment period. For assessment years beginning on or after 1 April 2021, tax or interest included in a notice of demand for income from specified securities or sweat equity shares allotted or transferred by an eligible start up is payable by the assessee only upon the earliest of: expiry of forty eight months from the end of the relevant assessment year; sale of the specified security or sweat equity share; or cessation of employment with the employer who allotted or transferred the instrument.