Employee's Provident Funds Miscellaneous Provisions Act, 1952
15. Special provisions relating to existing provident funds
(1) Subject to the provisions of section 17, every employee who is a subscriber to any provident fund of [an establishment] to which this Act applies shall, pending the application of a Scheme to] the [establishment] in which he is employed, continue to be entitled to the benefits accruing to him under the provident fund, and the provident fund shall continue to be maintained in the same manner and subject to the same conditions as it would have been if this Act had not been passed.
(2) On the application of any Scheme to [establishment], the accumulations in any provident fund of the [establishment], standing to the credit of the employees who become members of the fund established under the Scheme] shall, notwithstanding anything to the contrary contained in any law for the time being in force or in any deed or other instrument establishing the provident fund but subject to the provisions, if any, contained in the Scheme, be transferred to the Fund established under the Scheme, and shall be credited to the accounts of the employees entitled thereto in the Fund.