Also known as Cardiac Catheter Ablation Catheter ablation is a procedure that uses energy to make small scars in your heart tissue to prevent abnormal electrical signals from moving through your heart.
However, for any tax year, all current-year contributions are deducted first. The second 50% limitation refers to gifts (other than capital gain property) to certain types of charitable organizations (50% charities) that are considered first in computing the overall 50% limit.
In the case of any charitable contribution which is allowable after the application of clause (ii)(II), subsection (b)(2)(A) shall not apply to such contribution, but the limitation imposed by such subsection shall be reduced (but not below zero) by the aggregate amount of such contributions.