Civil Historical Tax Liens Extract (PDF)
This extract is a point-in-time compilation of all active case records for the federal tax liens issues, indexed under the IRSL issue code, including all records of that type from each county, starting with the individual county's date of implementation.

Civil Weekly Tax Liens Extract (PDF)
This data extract includes all new federal tax liens (IRSL issues) indexed since the last iteration of the Weekly Tax Liens Extract program's execution. If the Historical Tax Liens Extract is purchased, this weekly extract is required to keep the licensee's tax liens database current.