It was established in 1934 : Having decided upon the adoption of certain proposals with regard to the partial revision of the Convention concerning workmen 's compensation for occupational diseases adopted by the Conference at its Seventh Session , ... The convention revised Convention C18 and was subsequently revised in 1964 by Convention C121
Convention C121
Employment Injury Benefits Convention, 1964
Workmen's Compensation (Occupational Diseases) Convention (Revised), 1934