Addition of Central Income-tax Commissioner post: new Guwahati position effective retrospectively to implement staff diversion. Amendment inserts Principal Commissioner / Commissioner of Income-tax (Central), Guwahati as entry (xv) in Schedule I against serial number 9, renumbers subsequent column (4) entries accordingly, and declares the notification to be retrospective with effect from 3rd January, 2020 to give effect to an Office Order for diversion of an existing post.