Sri Lanka has ratified all eight ILO Core Conventions.

C29 Forced Labour Convention
C87 Freedom of Association and Protection of the Right to Organise Convention
C98 Right to Organise and Collective Bargaining Convention
C100 Equal Remuneration Convention
C105 - Abolition of Forced Labour Convention

C111 Discrimination (employment and occupation) Convention
C138 Minimum age for admission for employment
C182 Prohibition and immediate action for elimination of worst forms of child labour Convention

Other ILO Conventions ratified by Sri Lanka
C8 Unemployment indemnity (shipwreck) Convention
C11 Right of Association (agriculture) Convention
C16 Medical examination of young persons (sea) Convention
C18 Workmen's compensation (occupational diseases) Convention
C26 Minimum wage fixing machinery Convention
C45 Underground work (women) Convention
C58 Minimum age (sea) Convention - revised
C63 Convention concerning statistics of wages and hours of work
C80 Final articles revision Convention
C81 Labour inspection Convention
C90 Night work of young persons (industry) Convention - revised
C95 Protection of wages Convention
C96 Fee-charging employment agencies Convention - revised
C99 Minimum wage fixing machinery (agriculture) Convention
C103 Maternity protection Convention - revised
C106 Weekly rest (commerce and offices) Convention
C108 Seafarers identity documents Convention
C110 Conditions of employment of plantation workers Convention
C115 Radiation protection Convention
C116 Final articles revision Convention
C131 Minimum wage fixing Convention
C135 Workers representatives Convention
C144 Tripartite consultations to promote the implementation of ILS Convention
C160 Labour statistics Convention