Law Links Tax Forms & Information Local Forms Berkheimer Associates--This company handles local taxes of over 1,100 Pennsylvania municipalities and school districts. Many forms are not accessible through this page; in many cases one must contact Berkheimer directly. State Forms Pennsylvania:Pennsylvania Department of Revenue Federal Forms & Information Internal Revenue Service--Forms and Publications Internal Revenue Code and regulations IRS Private Letter Rulings/Written Determinations--provided by the IRS IRS Revenue Procedures IRS Revenue Rulings Copyright (2007): Law Library of Montgomery County (Pa.)