Condition Description. Truncus arteriosus is an uncommon congenital heart defect where a baby is born with a single blood vessel (called a truncus) coming from the main pumping chambers of the heart (the ventricles) instead of two vessels (one from each ventricle).ondition Description. Truncus arteriosus is an uncommon congenital heart defect where a baby is born with a single blood vessel (called a truncus) coming from the main pumping chambers of the heart (the ventricles) instead of two vessels (one from each ventricle).
IRS Office Customer Service Phone Number Phone Number: 1 (800) 829-1040. Shortcut: N/A - Edit
Here are some other useful numbers: IRS E-file Help Desk Phone number: 1-866-255-0654 - Call this number for e-filing assistance. Tax Practitioner Hotline: 1-866-860-4259 - Tax assistance for Tax Preparers. This number is only for people who prepare taxes for other tax payers. Main Tax Assistance: 1-800-829-1040 - Tax assistance for Taxpayers. this is the IRS main number give i gave you above.