It doesn't provide for individual access to a greater number of weeks. However, if a person were currently to leave the workforce, for example, 12 weeks prior to...women who do not currently use all of their weeks of maternity and parental benefits. They have up to 15 weeks of maternity leave and up to 35 weeks of parental leave, so there's a possibility to take up to 50 weeks. At the moment not everybody uses all of those 50 weeks. In some cases they may use only 40 weeks.
On March 23rd, 2017. See this statement in context.