Approval under section 35(1)(iii) confirms institutional research tax-exemption subject to accounting and reporting conditions. Approval under section 35(1)(iii) recognises the organisation for research-related tax purposes subject to conditions: maintain separate research accounts; file an annual return of scientific research activities with the Department of Scientific and Industrial Research by the prescribed deadline; and submit audited annual accounts showing income, expenditure, assets and liabilities to specified tax and research authorities by the prescribed annual deadline.