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
1 Income Tax Helpline number for ITR Notification & Processing, Tax Refund and Rectification related issues is 1800-425-2229. 2  The helpline number for ITR-V receipt status related issues is 1800-425- 2229 (or) 080-22546500. Customer Care number for queries related to e-filing of Income Tax Return & e-filing website login issues, contact number is 080-2650 0025 and Toll-free-number is 1800-4250-0025. ( 2 Working Hours of call centre are from 9 AM to 8 PM â Monday to Saturday.).