S.1124 - Federal Government - A bill to amend the Internal Revenue Code of 1986 to simplify, modernize, and improve public notice of and access to tax lien information by providing for a national, Internet accessible, filing system for Federal tax liens, and for other purposes.

Tax Lien Simplification Act - Amends the Internal Revenue Code to revise procedures for the filing of federal tax liens.

Direct the Secretary of the Treasury to establish and maintain a federal tax lien registry, in lieu of filing tax liens in local jurisdictions, which would be accessible to and searchable by the public through the Internet at no cost.

Establishes the priority of a federal tax lien based upon the date and time of the filing of a notice of lien in the federal tax lien registry.

Reduces the period for releasing satisfied or unenforceable tax liens from 30 to 10 days.