To apply to join the Nevada Department of Public Safety you must register with NVAPPS in order to submit an application. Client Certification.I certify that I have been offered and accepted employment with the business listed above. If you have questions about employment with the Sparks Police, contact Support Services (775) 353-2299. Applicants who proceed in the selection process will be required to complete an extensive police background. Candidates will have ten (10) days to complete the requirements of the PHQ. Background checks can be obtained via the following: Any area command within LVMPD jurisdiction (Find Your Station), Mail in request. Any letter requiring a signature is either registered, or certified. There are generally 2 reasons: one is to verify your address for possible personal contact.