On November 23, 2018 HUD released the 2019 operating cost adjustment factors (OCAFs) for project-based rental assistance with an anniversary date on or after February 11, 2019. The nationwide OCAF increased by 2.9 percent, ranging from 0.9 percent in Vermont to 3.5 percent in Alaska.  OCAFs are annual factors used to adjust Section 8 rents renewed under section 515 or section 524 of MAHRA.