External company representatives on the health, safety and working conditions committee of the user company are appointed for a period which ends with the term of office of the elected members of the social and economic committee. If, during the normal term of office, a representative ceases to perform his duties, he is replaced within one month, for the remainder of his term of office, unless this period is less than three months. The procedures for this replacement are those set out in articles R. 4523-10 and R. 4523-11.