What are tax stamps used for in real estate transactions?

Tax stamps are used in real estate transactions primarily as a form of documentation that validates the sale of property. When a transaction occurs, a tax stamp is often affixed to the legal documents to signify that any required transfer taxes have been paid. This serves as proof that the transaction complies with state or local regulations regarding property transfers. The presence of these stamps helps to ensure that the sale is legitimate and that all necessary taxes have been accounted for, providing a layer of security in the exchange process.

In contrast, the other options do not accurately describe the purpose of tax stamps. Indicating ownership transfer involves the recording of deeds, which is a separate legal process. Paying property tax relates to ongoing taxes that homeowners are responsible for, rather than a transaction-specific requirement. Documenting loan amounts pertains to mortgage agreements and financing rather than the tax implications of transferring property ownership. Therefore, validating the sale of real estate is the primary function of tax stamps, ensuring that all proper fees have been settled during a real estate transaction.