Have you been
If you're not familiar with our US Payroll for Odoo modules, they provide everything you need to successfully manage all federal, and select state, withholdings. Specifically:
FICA (Social Security and Medicare)
Additional Medicare calculations
FUTA (Federal Unemployment)
Federal Income Tax withholding
The New Jersey State Payroll module includes a contribution register and partner for the New Jersey Department of Taxation. Additionally, it adds a salary structure for New Jersey employees.
Want to learn more? Check out the docs on New Jersey State payroll!