IRS https://www.irs.gov/refunds
NJ https://www16.state.nj.us/TYTR_TGI_INQ/jsp/prompt.jsp
NY https://www8.tax.ny.gov/PRIS/prisStart
CA https://www.ftb.ca.gov/refund/index.asp
CT https://drsindtax.ct.gov/AUT/welcomeindividual.aspx
MD https://interactive.marylandtaxes.gov/INDIV/refundstatus/home.aspx
PA https://mypath.pa.gov/_/#2