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(1) When dismissing employees who are members of a trade union, the employer shall request in advance the advisory opinion of the trade union body in the unit, by notifying that body.

(2) When dismissing the persons elected in the trade union bodies and not released from the basic job, the employer requests in advance the consultative opinion of the trade union body whose members are the persons concerned, by a notification in which he argues his intention.

(3) When dismissing the leaders of the primary trade union organization (trade union organizers) not released from the basic job, the employer requests in advance the consultative opinion of the hierarchically superior trade union body, by a notification in which he argues his intention.

(4) The trade union bodies indicated in par. (1) - (3) shall present its opinion within 10 working days from the date of receipt of the notification.