4. Payment of contribution.- (1) The employer shall pay the contribution payable to the Employees’ Pension Fund in respect of each member of the Employees’ Pension Fund employed by him directly or by or through a contractor. (2) It shall be the responsibility of the principal employer to pay the contributions payable to the Employees’ Pension Fund by himself in respect of the employees directly employed by him and also in respect of the employees employed by or through a contractor. Provided that the Central Government shall pay the contribution payable to the Employees’ Pension Fund in respect of an employee who is a person with disability under the Persons with Disabilities (Equal Opportunities, Protection of Rights and Full Participation) Act, 1995 (1 of 1996) and under the National Trust for Welfare of Persons with Autism, Cerebral Palsy, Mental Retardation and Multiple Disabilities Act, 1999 (44 of 1999) respectively, up to a maximum period of three years from the date of commencement of membership of the Fund. | 
