406-1 ­membership.­ These­ agreements—and­ compliance­ with­ the­ legal­ require­ ments­ regarding­ the­ involvement­ of­ employee­ representatives­ in­ hiring,­ ­regrouping,­and­transfers—are­designed­to­ensure­that­women­and­men­are­ paid­fairly,­regardless­of­their­gender.