If you are starting a business, it is important for you to be familiar with certain rules concerning income tax, even if you are not preparing a tax return at the moment.
If you carry on a sole proprietorship or are a member of a partnership, the information contained in the "Self-employed persons" portal, under Fiscal obligations and Detailed information will be of interest to you. You will find information on
In the same portal, see also under Instalment payments.
If your business is a corporation, the Income tax section in the "Businesses" portal contains useful information on