You can download EXCEL of Employee Registration Form. Xlsx for free in WPS Template.This file is an application for employment at the City of Los Angeles. Complete this application to certify that you are an employee and not the business owner. Employee Certification Form. In the example below this user is prompted to complete Taxpayer Identification Number and Certification (IRS. Form W-8) and create a User Login Account. Easy-Fill: Fill out the form online, then print and mail it to CSLB. PDF: Print a blank form, then fill it out and mail it to CSLB. County of Los Angeles.