63. If any suit by a rent-receiver or rent-receivers for the recovery of any arrears which have vested in the Government under clause (c) of sub-section (4) of section 3 or under clause (7) of section 44 or any proceeding in execution of a decree for the recovery of any such arrears is pending before any Civil Court on the date or day, as the case may be, referred to in the said clauses, such suit or proceeding, where such rent-receiver was the sole landlord or such rent-receivers constituted the entire body of co-sharer landlords, shall not be further proceeded with and shall be deemed to have been withdrawn and any such decree may be executed as if it were a certificate filed under the Bengal Public Demands Recovery Act, 1913.