Customer Service is available Monday thru Friday, a.m. The Assessor's Office maintains the official real property mailing address records for Clark County.The form can be filled out and submitted in PDF format. Deactivate your EIN. Each state has unique guidelines for when and how you can cancel your sales tax permit. Our state-by-state guide will streamline the process for you. The IRS asks that you send a letter, on company letterhead (if available) providing the name and Social Security Number of the owner(s) of the LLC. LJC - Laughlin Justice Court. An application may result in an error that requires the consumer to submit additional documentation to the Lifeline Support Center for manual review. You'll be required to fill out an application, but the process is straightforward.