- Form 2848, Power of Attorney and Declaration of Representative  PDF
 - Form 8821, Tax Information Authorization  PDF
 - Form 4506, Request for Copy of Tax Return  PDF
 - Circular 230, Regulations Governing the Practice of Attorneys, Certified Public Accountants, Enrolled Agents, Enrolled Actuaries, Enrolled Retirement Plan Agents, and Appraisers before the Internal Revenue Service  PDF
 - Publication 216, Conference and Practice Requirements  PDF
 - Publication 947, Practice Before the IRS and Powers of Attorney