Under which labour legislation in India, the provision of check-off has been accepted?

CHECKOFF provisions  in contract allow a union to collect dues through automatic payroll deduction on terms negotiated by the employees' exclusive bargaining agent (union) and the employer. It is a very popular and effective way of collecting trade union. This is an arrangement. under which the employer deducts union dues from the pay of. his employees and hands them over to the trade union. Such deductions are specifically mentioned in Payment of Wages Act.