Articles on loans, taxes, ZUS contributions and personal finance for individuals and sole traders. Compare taxation forms, calculate loan instalments and learn about health insurance rules — practical explanations with calculators for every topic.
Lump-sum tax on recorded revenue — rules and rates
What lump-sum tax is, who can use it, what rates apply and how to settle it in practice.
Lump‑sum and VAT — does lump‑sum exempt you from VAT?
Lump‑sum concerns PIT, VAT is separate. When VAT is required, when exemption is possible, and how it affects your business.
Lump-sum tax — who it suits and when it makes sense
Who can choose lump-sum tax, what limits apply and when it is truly beneficial. Practical criteria and a quick decision checklist.
Lump‑sum — annual settlement and PIT‑28
How annual lump‑sum settlement works: PIT‑28, required data and common mistakes. Step‑by‑step guide.
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Calculators in this category →Browse legal specializations related to the most common user cases.
Law firms directory →Compare accounting firms and services useful after calculating taxes, contributions, business costs and salaries.
Answers to the most common questions about using legal and financial guides — Finance.
Practical explanations covering loans, leasing, taxes, ZUS contributions, interest and taxation forms for sole traders. Each guide includes step descriptions, costs and calculators.
Compare: progressive scale (12%/32%), flat tax (19%) and lump-sum. The taxation comparison calculator helps pick the most favourable option for your income and costs.
Interest on a rental mortgage can be deducted from income. For a residential purchase — no deduction applies. The guide describes the rules in detail.
In the prawopro.pl accounting directory you will find specialists in taxes, payroll, ZUS and sole trader support — by location and specialisation.
Lump‑sum rates — how to choose the correct PKWiU rate
Rates depend on activity type. Learn how to choose the correct rate, when multiple rates apply and how to avoid mistakes.
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