Federal tax liens are claim offered by the government against the property. If you didn’t payed the tax lien, then it can become a stressful event, but if you understand the tax lien process it will become much easier in navigating through the process. Tax Liens are business investment techniques. A proper planning and buying the tax lien will help in success of the investment by the investor. Tax liens are charged on the owner of the property who failed to pay taxes to the IRS (Internal Revenue Service’s).