Sec. 16. SEPARATION OF FIREMEN'S AND POLICEMEN'S PENSION FUNDS IN CERTAIN CITIES. In any city or town subject to and operating under the Pension Law, the governing Body and Board of Trustees may, if it is deemed advisable and a majority of the members of said Fire Department or Police Department vote therefor, authorize and provide for the maintenance and administration of Pension Funds for each Department, said Funds to be the Policemen's Division of the Firemen and Policemen Pension Fund and the Firemen's Division of the Firemen and Policemen Pension Fund, to be kept independent of and apart from each other, and said Funds of each Department to consist of contributions by members of said Department, donations thereto and funds received from any source by said Department the purpose and effect of said division being to maintain the membership of and the payments into each Department separate, and to limit the rights of the members of each Department and their beneficiaries to the Pension Fund of their Department, and after the creation and establishment of a Firemen's Division of said Pension Fund and a Policemen's Division of said Pension Fund, the rights of Firemen shall be limited to the Firemen's Division of said Pension Fund, and the rights of Policemen and their beneficiaries shall be limited to the Policemen's Division of said Pension Fund. After a separation has been voted and approved, as above provided, the Board of Trustees shall apportion the existing Firemen and Policemen Pension Fund between the two (2) Funds on the basis of contributions made by the members of the respective Departments and donations or payments to said Departments, and thereafter all payments to members or their beneficiaries of benefits, now accrued or hereafter accruing, shall be made from the Fund of their Department. Where a separation of funds is had, as hereinabove provided, the governing body of any city or town whose voters have authorized the payment of funds from the public treasury into the Firemen and Policemen Pension Fund is hereby authorized to pay to the Board of Trustees, for the use of the Pension Fund of each division above provided for, sums not to exceed in total the amount voted by the people to be paid into the single fund.