What principle does your tax system depend on?

The tax system typically depends on the principle of equity, which emphasizes fairness in tax distribution among individuals and entities. This principle can be further divided into horizontal equity, where individuals with similar abilities to pay owe similar amounts, and vertical equity, where those with greater financial capacity contribute more. Additionally, the system often relies on the principle of adequacy, ensuring that tax revenues meet the government's funding needs for public services and infrastructure. Lastly, simplicity and efficiency are also crucial, aiming to minimize compliance costs and economic distortions.