General power of attorney PPO-1 is a document that authorizes a selected person (attorney) to

Completing the PIT-36L declaration (Act of July 26, 1991 on personal income tax (Journal of

VIU-DO (OSS) is an abbreviation for “VAT Information Update – Domestic Option (One Stop Shop)”

AT-26 is a form used by VAT taxpayers in Poland who wish to claim a

The monthly PIT advance payment report is a notification showing the amount of personal income

RWN (Certificate of no arrears in social security contributions) is a document issued by the

A journal voucher (PK) is an internal accounting document that forms the basis for making

Entering banking operations involves recording all transactions related to the company’s bank accounts in the

Preparing warehouse documents involves creating documents in the system that confirm the movement of goods

The PIT-28 tax return must be completed by individuals who derive income from business activities