After noting that s. 7(1)(e) did not apply if a deceased employee held unvested stock options because such options had no value immediately after his or her death, CRA went on to comment generally:
…Subsection 164(6.1) is intended to provide relief where a stock option is exercised, expires, or is otherwise disposed of within the first taxation year of the deceased taxpayer's estate and the value of the stock option has declined since the employee's death, such that the benefit realized by the deceased's estate is less than the benefit deemed by paragraph 7(l)(e) to have been received by the deceased taxpayer. If the legal representative of the deceased elects in prescribed manner, an amount [under s. 164(6.1)(a)] is deemed to be a loss from employment of the deceased taxpayer for the year of death. …