Is a Clause That Allows Workers to Refuse to Use

Multiple Choice

Is a clause that allows workers to refuse to use material or goods from another employer who is on strike permitted?

A) This is a form of secondary picketing and is not permitted in most jurisdiction
B) It may be included in a collective agreement and is known as a "hot cargo" clause
C) Is permitted in most legislation in Canada
D) It is only permitted for federally regulated employees
E) It is not permitted for government employees as they are an essential service