necessary for basic expenses, including payments for foodstuffs, rent or mortgage, medicines and medical treatment, taxes, insurance premiums, and public utility charges, or exclusively for payment of reasonable professional fees and reimbursement of incurred expenses associated with the provision of legal services, or fees or service charges for routine holding or maintenance of frozen funds or other financial assets or economic resources, after notification by the relevant State(s) to the Committee established pursuant to resolution 1267 (1999) (hereinafter referred to as “the Committee”) of the intention to authorize, where appropriate, access to such funds, assets or resources and in the absence of a negative decision by the Committee within 48 hours of such notification;