Commission Directive 81/957/EEC of 23 October 1981 adapting to technical progress for the third time Council Directive 67/548/EEC on the approximation of laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances
OJ L 351, 7.12.1981, p. 5–44 (DA, DE, EL, EN, FR, IT, NL)
