Guides
Statutory interest — rates and calculation
Statutory interest: when they apply, how to calculate, current rates and examples.
ZUS interest — calculation rules
ZUS interest: when it arises, how to calculate and which rates apply.
OC compensation — rules and practice
OC compensation rules, scope and practical calculation tips.
OC at-fault driver compensation — scope
What OC compensation from the at-fault driver includes and how to claim it.
Tax on property sale — rules and deadlines
When property sale tax applies, how the 5-year rule works, housing relief and PIT‑39.
Rent increase — rules, timing and how to respond
When a rent increase is possible, how to assess it and what to do if it looks too high. Practical steps and checklist.