Usually follow the preponderance of evidence (przewaga prawdopodobieństwa). If your version is 60–70% more likely than the other party's, the court may rule in your favor.
Emails, text messages, contracts, and official records. MateriaЕ‚ dowodowy
The standard is much higher—guilt must be proven beyond a reasonable doubt . 3. Practical Tips for Preparation MateriaЕ‚ dowodowy
In Polish law, a general rule applies: and is not contrary to the law can be admitted as evidence. This includes: MateriaЕ‚ dowodowy