Employer Tax Forms New Employers, Residency, & LST New Employer Registration Form & Information Residency Certification Form LST Application for Exemption, Annual Reconciliation Listing & Request for Refund Quarterly & Annual Filing Employer Withholding Tax Return (Form 511) & Employer Withholding Instructions Employer Annual Reconciliation (Form 541) Electronic Filing E-File Information & Registration E-File CSV Template Go To E-File Reporting