​The NIH Police facilities in Building 31C is undergoing renovations through October 2019. During this period, the police front desk operations will temporarily relocate to the CRC North lobby of Building 10 at the reception desk. The hours of operation will be weekdays, 6am to 5pm (closed on holidays). For any non-emergency police assistance outside of these hours, continue to call 301-496-5685. If you have questions about this relocation, please call 301-496-1334.