ORS § 657B.460
This chapter establishes minimum requirements pertaining to family leave, medical leave and safe leave and may not be construed to preempt, limit or otherwise diminish the applicability of any employer policy, standard or collective bargaining agreement that provides for greater use of family leave, medical leave or safe leave under state or federal law.
ORS 657B.460
Section 49, chapter 700, Oregon Laws 2019, provides:
Sec. 49. Reopening or renegotiation of collective bargaining agreement. Nothing in sections 1 to 51 of this 2019 Act [ORS chapter 657B] requires the reopening or renegotiation of a collective bargaining agreement entered into before the effective date of this 2019 Act [September 29, 2019] prior to the date on which the agreement expires. [2019 c. 700, § 49]