| A contract between a client (Zleceniodawca) and a contractor (Zleceniobiorca) for the provision of services. The contractor agrees to perform certain work in exchange for payment in Polish złotys, as specified on an invoice. |
| A contract between a client (Zleceniodawca) and a contractor (Zleceniobiorca) for the provision of services. The contractor agrees to perform certain work in exchange for payment in Polish złotys, as specified on an invoice. |