Get Answers Support Tax Filings & Payments Other Forms Form 1042-S What is the LOB Code in 1042-S? Last modified 2/16/2024 1:54:39 AM EST The LOB Code (Limitation on Benefits Code) in Form 1042-S is used when a beneficial owner that is an entity claims a reduced rate of withholding under an income tax treaty. The code indicates the specific LOB code under which the entity qualifies for treaty benefits. Was this helpful? Yes No Related Questions Are there any penalties associated with Form 1042-S? Where can I check the status of my submitted form 1042-S? I don’t have the recipient’s GIIN. Can I leave this field empty while filing form 1042-S? What are Chapter 3 or Chapter 4 codes in Form 1042-S? Go to Home Page Need more help? Get in touch with our dedicated support team Contact Us (704) 684-4751 support@taxbandits.com Sign Up for a FREE TaxBandits Account! The Smart CPA Choice Register Now Already have an account? Sign in