Form 2848 vs Form 8821: which authorization you need, and what each one lets you do

The short answer

What Form 2848 authorizes

A Form 2848 is a power of attorney and, in Part II, a declaration of representative. Under 26 CFR 601.503(b)(1) a properly completed Form 2848 satisfies both requirements at once. The instructions describe the default scope: “this power of attorney authorizes the listed representative(s) to inspect and/or receive confidential tax information and to perform all acts (that is, sign agreements, consents, waivers, or other documents) that you can perform with respect to matters described in the power of attorney.”

The regulations list the acts that require a power of attorney rather than a mere information authorization: representation, waivers of restrictions on assessment, consents to extend the statute for assessment or collection, closing agreements, receiving (but not endorsing) a refund check, and signing returns where the law permits (26 CFR 601.504(a)). If your engagement will involve any of these, for example a Form 872 consent, a Form 870 waiver or an installment agreement, you need Form 2848.

Some authorities are not included unless added on line 5a. The instructions say that unless specifically provided, the form “does not include the power to substitute or add another representative, the power to sign certain returns, the power to execute a request for disclosure of tax returns or return information to a third party, or to access IRS records via an Intermediate Service Provider.” They add that representatives “are not authorized to sign Form 907, Agreement to Extend the Time to Bring Suit, unless language to cover the signing is added on line 5a.” And no Form 2848 lets a representative endorse or negotiate a government check or direct a refund into an account the representative controls; Circular 230 section 10.31 prohibits the same thing.

Authority to sign the return itself is limited to the reasons in Treas. Reg. 1.6012-1(a)(5): disease or injury, continuous absence from the United States for at least 60 days before the due date, or specific IRS permission for other good cause. The CAF unit codes these line 5a grants separately, and IRM 21.3.7.5.3 says any text that expresses the taxpayer's intent and a valid reason is acceptable, not only the model language in the instructions.

What Form 8821 authorizes

Form 8821 is a consent to disclosure under IRC 6103(c). The instructions are blunt about its limits: “Form 8821 doesn’t authorize your designee to speak on your behalf; to execute a request to allow disclosure of return or return information to another third party; to advocate your position regarding federal tax laws; to execute waivers, consents, closing agreements; or represent you in any other manner before the IRS.” The designee may not substitute another party, and is “never allowed to endorse or negotiate a taxpayer’s refund check” or to receive the refund by direct deposit.

IRC 6103(c) also restricts what the designee does with the information: persons designated “shall not use the information for any purpose other than the express purpose for which consent was granted.” The current Form 8821 instructions flag this as a What's New item, noting that the recipient is subject to penalties for unauthorized use or redisclosure.

Column (d) of line 3 lets the taxpayer narrow what the designee sees, for example only lien information or a balance due. Writing “not applicable” in column (d) means the designee can see everything described in columns (a) to (c); IRM 21.3.7.5.1 confirms N/A is acceptable.

Who can be named

IRM 21.3.7.5 states the rule in one sentence each: Form 2848 “must only be used to designate an individual eligible to practice before the Internal Revenue Service,” while Form 8821 “can appoint any third-party to receive and inspect account information for the tax matter(s) and tax year(s) specified.” Line 2 of Form 2848 holds four representatives; attach another form for more. Line 2 of Form 8821 holds two designees; check the box and attach a list for more.

Naming a firm on Form 8821 covers its people. IRM 21.3.7.5.1 says that if a business entity is named as a designee, “this will include all employees of the named business entity, and a list is not required.” That is useful for firms with shared-services or offshore teams that pull transcripts or review notices but do not represent. It is not available on Form 2848, where each representative must be an individual with his or her own CAF number (see CAF number).

Government agencies cannot be designees for non-tax purposes. IRM 21.3.7.5.3 says officials of federal, state and local agencies “may not act as a taxpayer’s representative” or designee to obtain records to administer non-tax programs, and the CAF unit does not process such forms.

Processing rules that differ

The CAF unit checks five essential elements on a Form 2848 and four on a Form 8821; the representative's designation, licensing jurisdiction, license number and signature (element 2) apply only to Form 2848 (IRM 21.3.7.5.1). That single element accounts for many Form 2848 rejections that cannot happen on a Form 8821. See why the CAF unit rejects a form for the full list.

Timing differs. For Form 2848, when the taxpayer signs first, “the signature dates of the taxpayer(s) and representative(s) must be within 45 days for domestic authorizations and within 60 days for authorizations of taxpayers residing abroad.” For Form 8821, the instructions say the IRS must receive the form within 120 days of the taxpayer's signature only when it is used for a purpose other than a tax matter with the IRS, such as lender income verification.

Revisions differ. “The CAF processing sites will not process Form 2848 with a revision date prior to October 2011”, while for Form 8821 IRM 21.3.7.5.3.1 says “Form 8821 does not have a revision restriction.”

Joint returns differ. For Form 2848, both spouses who want representation must each sign a separate form, though any authorized representative of either spouse may access information on the joint return. For Form 8821, either spouse may authorize a designee without the other's consent; if both sign one Form 8821, the CAF processes it to both, and if only one signs it is processed to that spouse only (IRM 21.3.7.5.3.1).

What each form lets you do on the phone

Both forms get you through the IRS's third-party authentication process, but the services differ once you are through. On the Practitioner Priority Service line, IRM 21.3.10.5 tells assistors that callers authorized by Form 8821, Form 8655, a third party designee checkbox or oral disclosure consent “are not authorized to act on behalf of the taxpayer (including resolving balance due accounts)” and are not to be transferred to ACS. For penalty relief, IRM 21.1.3.3 says a TIA can supply information to support abatement as an “other third-party,” but the authority “does not include receiving the outcome for penalty abatement requests or credit transfers” unless the taxpayer is also on the call. A Form 2848 representative, by contrast, can request penalty abatement by phone and get an immediate answer under IRM 21.3.10.4.3.

If a Form 2848 on the CAF shows modified powers (coded “M”), IRM 21.1.3.3 tells the assistor to request a copy of the authorization to see the line 5b limits before helping you, so keep a copy at hand.

When each form is the right tool

Use Form 2848 when the client needs someone to speak and act for them: an exam, a collection case, an Appeals protest, penalty abatement negotiations, a statute extension or any agreement. Use Form 8821 when the goal is information without advocacy: a bookkeeper or firm staff member who reviews notices, a lender verifying income, a CPA firm that will prepare an amended return from transcripts, or an unenrolled preparer who does not meet the conditions for limited representation. The Form 2848 instructions point unenrolled preparers who do not meet those conditions to Form 8821, and add that “Filing a Form 8821 will not authorize the unenrolled return preparer to represent you.”

A practitioner who is suspended, disbarred or inactive can still be a designee. IRM 21.3.7.9.2 says such a person “may submit a Form 8821, if it is properly executed by the taxpayer,” but may not appear, represent or advocate; the form “authorizes the individual to receive taxpayer information only.”

Some matters are never recorded on the CAF. Check line 4 on either form for a specific use, such as a private letter ruling request, an EIN application, Form 843 claims, accounting method changes or FOIA requests on Form 2848, and the listed uses on Form 8821. Specific-use forms go to the office handling the matter and do not revoke prior authorizations.

Using both, and how they interact

The two forms operate on separate tracks. The Form 2848 instructions state: “Filing Form 2848 will not revoke any Form 8821 that is in effect.” Within each track, a new form for the same matters revokes the old one unless the retention box (Form 2848 line 6, Form 8821 line 5) is checked and a copy of the prior authorization is attached. The same is true of Tax Pro Account requests, which revoke prior authorizations of the same type and cannot retain them.

A Form 2848 can also be the source of a Form 8821. If line 5a authorizes disclosure to a third party, the representative can sign a Form 8821 for the client; IRM 21.3.10.3.4 says PPS assistors accept such a Form 8821 when the Form 2848 granting that authority is on the CAF or presented with it. Only two people per matter can receive notice copies across representatives and designees: the instructions say you may not designate “more than two representatives on Form 2848 (or designees on a Form 8821) to receive copies of notices and communications sent to you by the IRS for the same matter(s).”

Questions practitioners ask