Processing the check is IRS's responsibility. If they accepted your check, but do not process it, it is their fault. Once they accept your check, your end of the deal has ended. A while back, I got a notice that I did not pay my state tax.
1 The xiphoid process (Latin: processes xiphoideus) is a small triangular cartilaginous extension of the breastbone.
Clinically, the xiphoid process plays an important role as a bony anatomical landmark in the trunk and may be damaged by improperly administered CPR. The xiphoid process is located inferior to the body of the sternum.here are many common variations in the shape of the xiphoid process, including: 1  Perforation with a small foramen in its center. 2  Bifurcation with a split into left and right branches at its inferior end.