On November 30, 2023, HUD released the Fiscal Year 2024 Operating Cost Adjustment (OCAF) Factors which are effective February 11, 2024. The notice was published in the federal register and establishes operating cost adjustment factors (OCAFs) for project-based assistance contracts issued under Section 8 of the United States Housing Act of 1937 and renewed under the Multifamily Assisted Housing Reform and Affordability Act of 1997 (MAHRA) for eligible multifamily housing projects having an anniversary date on or after February 11, 2024. OCAFs are annual factors used to adjust Section 8 rents renewed under section 515 or section 524 of MAHRA.