Review of the Office of Appeals Collection Due Process Program
… Phone Number / 202-622-6500 E-mail Address / TIGTACommunications@tigta.treas.gov Website / http://www.treasury.gov/tigta mailto:TIGTACommunications@tigta.treas.gov http://www.treasury.gov/tigta … any person neglects or refuses to pay their tax liability after demand,2 the Internal Revenue Service (IRS) has the …