Links
Federal W4 Withholding Form - https://www.irs.gov/pub/irs-pdf/fw4.pdf
WT4 Withholding Form - https://www.revenue.wi.gov/TaxForms2017through2019/w-204f.pdf
Client Portal - https://www.revenue.wi.gov/TaxForms2017through2019/w-204f.pdf
IRS Refund Look Up - https://sa.www4.irs.gov/wmr/
WI DOR Refund Look Up - https://tap.revenue.wi.gov/RefundStatus/_/
IRS Payment Site - https://www.irs.gov/payments/direct-pay
WI DOR Payment Site - https://www.revenue.wi.gov/Pages/OnlineServices/Pay.aspx