USCIS announced that it will begin accepting petitions for employment with start dates in FY2020 under the Commonwealth of the Northern Mariana Islands (CNMI) -Only Transitional Worker program (CW-1) on 4/4/19. All CW-1 filings must include an approved temporary labor certification. USCIS will reject any CW-1 petition with an employment start date on or after Oct. 1, 2019, filed without the approved temporary labor certification (TLC) from the U.S. Department of Labor (DOL).
Source: AILA Doc. No. 19032601.