Subject to the limitations of RCW
28B.15.910, the state board for community and technical colleges and the governing boards of the state universities, the regional universities, the community colleges, and The Evergreen State College may waive all or a portion of the nonresident tuition fees differential for residents of Oregon, upon completion of and to the extent permitted by an agreement between the governing boards of the respective individual institutions of higher education or the state board for community and technical colleges and appropriate officials and agencies in Oregon granting similar waivers for residents of the state of Washington.