Takes effect on 6 June following the declaration of resignation or at the end of his term, depending on the earlier date, unless an earlier date is acceptable to both parties. Chairman of the department (reference of the collective agreement: article 25.6): the term of office of a president usually begins on 1 July and generally lasts three years. Probation period (collective agreement reference: Article 15.3): The CB shall inform workers in writing, at least two months before the end of their probation period, if the probation period has been successfully completed. A worker who does not receive notification within the specified period is deemed to have completed the probation period. Extended leave (collective agreement reference: section 24): a worker must apply to the Extended Leave Committee for extended study leave until October 1 of the calendar year preceding the year in which the extended leave is to begin. Retirement (collective agreement reference: section 26.1.1): Please note that this language of the collective agreement is as of January 1, 2008 is not in accordance with British Columbia`s current human rights laws, which effectively end mandatory retirement. . . .