An employer of an establishment shall—
Provided that matters to be provided under the rules required to be made under this section relating to Chapter III shall, instead of providing them in rules to be made by the Central Government, be provided in the Provident Fund Scheme or the Pension Scheme or the Insurance Scheme, as the case may be:
Provided further that the forms of records and registers and that of the returns to be filed under Chapter IV shall be specified in the regulations instead of providing them in the rules.