The Hanover Teachers’ Association fees will be deducted from the cheque of every teacher who has not given written notice to the Board before September 15th of each year that he or she is not a member of the Manitoba Teachers' Society. These deductions will be made in twenty-four (24) equal instalments over the course of the calendar year in accordance with the current rate of fees as set by the Association before the tenth (10th) day of October.