Approval under section 35(1)(ii) requires separate research accounts, annual returns and audited accounts plus advance renewal application. Approval was granted to Bhaskaracharaya Pratisthan, Pune, as an Association for recognition of scientific research expenditure, subject to conditions: maintain separate accounts for research receipts; furnish annual research activity returns by 31 May; submit audited annual accounts, income and expenditure statements and balance-sheet to the prescribed authority, the Central Board of Direct Taxes and the concerned Commissioner by 30 June each year; and apply to the Central Board for renewal at least three months before approval expiry.