A more thorough explanation:

Definition: Tax law refers to the set of rules and regulations that govern the collection and payment of taxes. This includes the Internal Revenue Code, which outlines the federal tax laws in the United States, as well as other statutory, regulatory, constitutional, and common-law rules that apply to taxation. Tax law is also the area of legal study that deals with taxation.

Examples: One example of tax law is the requirement for individuals and businesses to file tax returns and pay taxes on their income. Another example is the tax deductions and credits that are available to taxpayers, such as the deduction for charitable donations or the child tax credit.

These examples illustrate how tax law affects individuals and businesses in their financial dealings with the government. Tax law sets the rules for how much tax must be paid, when it must be paid, and what deductions and credits are available to reduce the amount owed. Understanding tax law is important for individuals and businesses to ensure compliance with the law and to minimize their tax liability.