definiens: means for any Designated Obligor on any date ofdetermination ( calculated prior to the payment of any Transfer Price to be made on such date butas if such payment had been made):(a ) in the case of any Commercial Obligor or Hospital Obligor that does nothave a Special Concentration Limit ( as defined below ), 2.5Yo of the Net Receivables Balanceoutstanding on such date ; provided that, subject to clause ( c ) below, the Concentration Factor foreach of Aetna, Inc., Cigna Co.p ., Wellpoint Inc. and United Healthcare Insurance Company, andany successor thereto, shall be ( i ) for so long as such Obligor is rated at.least A- by Standard & Poor 's and at least A'3 by Moody 's and, if rated by Fitch, at least A- by Fitch, 10.0 % of the NetReceivables Balance outstanding on such date and ( ii ) for so long as clause ( i ) does not apply butsuch Obligor is rated at least BBB- by Standard & Poor 's and at least Baa3 by Moody 's and, ifrated by Fitch, at least BBB- by Fitch, 7.0%o of the Net Receivables Balance outstanding on suchdate;NYI 6695871v.14oooooooooa(b ) in the case of any US Government Obligor that does not have a SpecialConcentration Limit, 80 % of the Net Investment outstanding on such date ; or(c ) in the case of any Obligor ( including any Obligor described in clauses ( a)and ( b ) ), such higher amount determined by the Agent ( with the consent of each AdministrativeAgent ) or such lower amount determined by any Administrative Agent in the reasonable exerciseof its good faith judgment and disclosed in a written notice delivered to the Transferor and theother Administrative Agent ( any such higher or lower amount being a )