After noting that "even if there is no accrued gain on the share that is reduced by a dividend, the significant reduction in fair market value test might still apply" under s. 55(2.1)(b), CRA stated:
The new rule in s. 55(2.5) is clear that even if a share has nominal fair market value and potentially no accrued gain, a dividend might significantly reduce its fair market value since the value of the share must be adjusted to take into account the value of the dividend.