Limitation period for income tax assessments shortened, with a mandatory minimum one year where resolution applications are withdrawn. Amendment shortens the limitation period for making orders of assessment, reassessment or recomputation for assessment years commencing on or after April first, two thousand twenty one, and aligns explanations to include both the Authority for Advance Rulings and the Board for Advance Rulings. Provisos deemed effective from February first, two thousand twenty one provide that where the assessee withdraws an application under the resolution mechanism the limitation available to the assessing officer, after prescribed exclusions, shall be not less than one year and shall be extended to one year if shorter, with corresponding application for related limitation and interest computations.