A cash liquidating distribution are funds distributed to a shareholder when a corporation is partially or fully liquidated. The distribution represents a return of an investor’s capital, so it’s not taxable to the extent of basis in the stock. If the distribution exceeds basis, it is a capital gain (long-term or short-term depending upon how long the stock has been held).
The IRS action of fixing tax liability that sets in motion collection procedures, such as charging interest, imposing penalties, and, if necessary, seizing property.