Form 8821 provides a taxpayer's written authorization designating one or more third parties to receive and view the taxpayer's information.
Other forms and publications available in Spanish are Form 2848 (SP), Power of Attorney and Declaration of Representative; Instructions for Form 2848 (SP); Publication 947 (SP), Practice Before the IRS and Power of Attorney; and Treasury Department Circular No. 230 (SP), Regulations Governing Practice before the Internal Revenue Service