To complement, in view of the exceptional circumstances prevailing in the three Governorates mentioned below, the distribution by the Government of Iraq of goods imported under this resolution, in order to ensure an equitable distribution of humanitarian relief to all segments of the Iraqi population throughout the country, by providing between 130 million and 150 million United States dollars every 90 days to the United Nations Inter-Agency Humanitarian Programme operating within the sovereign territory of Iraq in the three northern Governorates of Dihouk, Arbil and Suleimaniyeh, except that if less than one billion United States dollars worth of petroleum or petroleum products is sold during any 90 day period, the Secretary-General may provide a proportionately smaller amount for this purpose;