You are requesting access to the Nevada Automated Background Check System (NABS). Learn how to conduct fast, compliant Nevada background checks in this complete guide for employers and HR managers.A background check authorization form is a release given to allow someone else to perform credit and criminal background checks. How to fill out the Background Check Authorization Form? 1. Provide your full name and any previous names. 2. Looking to get a Nevada background check? The NSCB will conduct a background check using information from the Federal Bureau of Investigations (FBI) and the Nevada Criminal History. Repository. Compliance Forms for Background Screening. Authorization forms below are intended as a starting point of reference. How do I fill this out?