decis octob amend decis septemb method oper composit audit board administr commiss european commun social secur migrant worker ec administr commiss european commun social secur migrant worker regard articl council regul eec administr commiss lai method oper composit audit board regard decis septemb method oper composit audit board administr commiss european commun social secur migrant worker paragraph decis regard decis juli amend decis septemb ensur smoother function audit board chairmanship audit board follow order rotat chairmanship administr commiss decid decis juli repeal paragraph decis septemb replac offic chairman audit board held half year member belong state repres administr commiss hold offic chairman commiss period chairman audit board conjunct secretariat step requir solv delai problem compet audit board rule chairman audit board chair meet work parti set examin problem audit board compet incapacit specif problem examin chairman repres person design secretariat administr commiss prepar organ meet audit board draw minut thereof carri work requir function board decis publish offici journal european commun appli januari chairman administr commiss carlo garcía de cortázar nebreda