A Collective Agreement Between a Union and an Employer Does

A collective agreement between a union and an employer does not provide for leave to care for seriously ill family members. During the term of the collective agreement the government has passed legislation that provides employees a leave to care for seriously ill family members. Which of the following is correct:

A) Employees will be entitled to the leave when the current collective agreement expires
B) Employees will be entitled to the leave when it is included in the next collective agreement
C) Employees will be not be entitled to the leave if is not included in the next collective agreement
D) Employees are entitled to the leave when the legislation is enacted
E) Employees are entitled to the leave if the union and the employer amend the existing collective agreement