Resources IRS - Make a payment https://www.irs.gov/payments IRS - Installment Payment information https://www.irs.gov/payments/online-payment-agreement-application IRS - Refund Status https://www.irs.gov/refunds IRS - Form W-4 https://www.irs.gov/forms-pubs/about-form-w-4 Franchise Tax Board - Make a Payment https://www.ftb.ca.gov/online/payment_choices.shtml Franchise Tax Board - Refund Status https://www.ftb.ca.gov/online/refund/index.asp California Secretary of State - Business Entities https://www.sos.ca.gov/business-programs/business-entities/ IRS - Power of Attorney https://www.irs.gov/forms-pubs/about-form-2848 Franchise Tax Board - Power of Attorney https://www.ftb.ca.gov/law/poa/index.shtml