This document provides guidance for state, local, tribal, and territorial (SLTT) law enforcement on reporting cyber incidents to federal authorities. It outlines types of incidents that should be reported, such as those affecting critical infrastructure, national security, or public safety. The document details the information that should be included in reports, such as technical details about the incident and impacted systems. It also lists several ways for SLTT law enforcement to report incidents, including email, phone, or online portals, and specifies the federal agencies responsible for accepting different types of reports related to cybercrime, national infrastructure, or investigations.