Specified fund income attribution uses assets under management ratios and annual reporting to determine concessional tax eligibility. Income of a specified fund attributable to units held by a non-resident is determined by formula-based apportionment for capital gains on transfer of securities and for income received in respect of securities, using the ratio of non-resident assets under management to total assets under management. The specified fund must furnish an annual statement of income eligible for concessional taxation in Form No. 69 by the prescribed due date, failing which the attributable income is not eligible for the concessional tax rates. The rule also defines assets under management, permanent establishment, securities, specified fund and units.