The merger by acquisition shall mean the operation whereby one or more companies are wound up without going into liquidation and transfer to another all their assets and liabilities in exchange for the issue to the shareholders of the company or companies being acquired of shares in the acquiring company and a cash payment, if any, not exceeding 10 % of the nominal value of the shares so issued or, where they have no nominal value, of their accounting par value. Merger by the formation of a new company shall mean the operation whereby several companies are wound up without going into liquidation and transfer to a company that they set up all their assets and liabilities in exchange for the issue to their shareholders of shares in the new company and a cash payment, if any, not exceeding 10 % of the nominal value of the shares so issued or, where they have no nominal value, of their accounting par value.