jednoosobowa działalność gospodarcza Anglais:

Being a sole trader is a simplest way to set up and run a business and does not involve paying any registration fee.

Small carriers and sole traders will be hardest hit.

You have to register your business as a sole proprietorship. A corporation is typically taxed less heavily than a sole proprietorship. Explain the difference between a sole proprietorship and a partnership. Starting a sole proprietorship is easy.