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Official information related to labour market,  labour mobility, posting of workers and social security coordination in Belgium.

Information on rights and reporting channels

Reporting undeclared work

Point of contact for Fair Competition
File a complaint or ask for information on undeclared work
For  posted workers ✉
For companies and other workers ✉

Information on your rights and obligations

National Social Security Office | Student@work
Information about working students

International Social security Belgium
Information for companies and individuals