SECTION 21

(1) An employer shall be permitted to deduct from the wages earned by a worker under his control the ordinary trade union contribution due from the worker, provided that the employer immediately pays the contribution so deducted to the trade union specified by the worker. (2) The said deduction of contributions at source shall be permitted only : • (a) if an agreement to that effect has been concluded between the employer concerned and the trade union to which the contributions are to be paid. • (b) If the worker has agreed with such procedure by signing a form jointly accepted by the employer and the trade union, or if he can neither read nor write, by affixing his finger prints. (3) In addition : • (a) The worker's consent may be withdrawn by him at any time ; such withdrawal shall have effect in regard to the month following that in which it is made ; • (b) The said consent may be renewed by tacit agreement if it is not withdrawn, except in the case of a change in the amount of the contribution ; • (c) The expense incurred by the employer in deducting and paying over the contributions may be reimbursed by the trade union concerned in accordance with arrangements jointly agreed by the union and the employer.