Jakarta – The Federation of Indonesian Islamic Labor Unions has urged the government to overhaul the outsourcing system, which is said exclusively benefited employers.

"We have seen from the existing labor law that the outsourcing system only deprives workers of their right to prosperity. Businessmen can also end the contract anytime they want," Soetito, chairman of the federation, told reporters after meeting with Vice President Jusuf Kalla on Tuesday.

He said the federation, set up in 1947, first made the call to overhaul the outsourcing system last year.

The federation will hold a seminar on outsourcing and minimum regional salaries in the paper industry in May.

Manpower and Transmission Minister Erman Suparno has promised to set up a joint supervisory group with related agencies to evaluate the outsourcing system.