280. The expenses of the Public Service Commission of the Federation or of a Unit including any salaries, allowances and pensions payable to, or in respect of, the members or staff of the Commission shall be charged on the Revenues of the Federation or a Unit as the case may be.
(a) When the Public Service Commission of one Government serves the needs of the other Government there shall be charged on and paid out of the Revenues of the other Government in respect of the expenses or pensions as may be agreed, or as may in default of agreement be determined by an arbitrator to be appointed by the Chief Justice of India.
(b) When the Public Servic Commission serves the needs of another Unit, its expenses shall be charged on the Revenues of all Units in such proportion as may be agreed or as may in default of agreement be determined by an arbitrator to be appointed by Chief Justice of India.