Concessional tax option for manufacturing companies requires an irrevocable election and statutory affirmations upon exercise. Form 10 ID enables a company to elect the concessional tax option under sub section (7) of section 115BAB by filing specified company particulars and a signed, irrevocable option with the Assessing Officer. The form requires affirmations that the business was not created by prohibited splitting or reconstruction, that previously used machinery or certain previously used buildings are not employed except as permitted, that the company's activities are confined to manufacture/production and related research or distribution, and that all conditions of section 115BAB will be and are satisfied. The principal officer must sign and provide designation and address.