Tax Lien Questions Tax Lien To complete a request for a Taxpayer, the company must provide the following information on a company letter head, with a copy of the lien in question:Full NameSocial Security NumberDate of BirthSend by Email: tax-lien-research@tax.state.nv.us Contact the Call Center Tel: (866) 962-3707Fax: (775) 684-2020