In accordance with Council Regulations (EEC) No. 1408/71 and No. 574/72 and, from 1.5.2010 onwards, Regulations (EC) No. 883/2004 and No. 987/2006 of the European Parliament and of the Council, the CSSA was the competent institution for pensions, sickness benefit in cash and cash maternity benefit in cash, cash benefits for accidents at work and occupational illnesses (this only applies to sickness benefit in cash and pension insurance benefits in cash) and for assessing legal applicability.