January 2, 2024 Jonathan Jackson WinLASH 287-22 Approved January 2, 2024 Jonathan Jackson November 17, 2023WinLASH 287-22 for the Home Office Medicare Cost Report has been approved by CMS for Transmittal 2. CMS Form 287-22 replaces 287-05. It is effective for Cost Reporting Periods beginning on or after 10/1/2022.