Capital stock is the number of common and preferred shares that a company is authorized to issue, and is recorded in shareholders' equity. It is usually issued when companies are trying to fund their growth.This form is for general instructions that apply to all corporation tax forms. It includes a variety of topics about how to fill out your form. Capital stock, also known as authorized stock, refers to all common stock and preferred stock a corporation is legally allowed to issue. Capital stock, also known as equity capital or share capital, is the total value of shares of ownership in a corporation. Capital stock refers to the total number of shares a company can issue legally. This is the total authorised capital of the company. Called up capital (or called up share capital) is the part of share capital a company requires its shareholders to pay. What is an HDFC coop?