Where under the provisions of this Act the expenses of any court or commission, or the pension payable to or in respect of a person who has served under the Crown in India, are charged on the revenues of the Federation or the revenues of a Province, then if

(a) in the case of a charge on the revenues of the Federation the court or commission serves any of the separate needs of a Province, or the person has served wholly or in part in connection with the affairs of a Province; or

(b) in the case of charge on the revenues of a Province, the court for commission serves any of the separate needs of the Federation or another

Province, or the person has served wholly or in part in connection with the affairs of the Federation or another Province,

there shall be charged on and paid out of the: revenues of the Province or, as the case may be, the revenues of the Federation or of the other Province, such contribution in respect of the expenses or pension as may agreed, or as may in default of agreement be determined by an arbitrator to be appointed by the Chief Justice of India.