Arizona Revised Statutes

Ariz. Rev. Stat. § 16-166 (2026)

Verification of registration

✓ current as of May 2026

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(Caution: 1998 Prop. 105 applies)

A. Except for the mailing of sample ballots, a county recorder who mails an item to any elector shall send the mailing by nonforwardable first class mail marked with the statement required by the postmaster to receive an address correction notification. If the item is returned undelivered, the county recorder shall send a follow-up notice to that elector within three weeks of receipt of the returned notice. The county recorder shall send the follow-up notice to the address that appears in the general county register or to the forwarding address provided by the United States postal service. The follow-up notice shall include an appropriate internet address for revising voter registration information or a registration form and the information prescribed by section 16-131, subsection C and shall state that if the elector does not complete and return a new registration form with current information to the county recorder or make changes to the elector's voter registration information that is maintained online within thirty-five days, the elector's registration status shall be changed from active to inactive.

B. If the elector provides the county recorder with a new registration form or otherwise revises the elector's information, the county recorder shall change the general register to reflect the changes indicated on the new registration. If the elector indicates a new residence address outside that county, the county recorder shall forward the voter registration form or revised information to the county recorder of the county in which the elector's address is located. If the elector provides a new residence address that is located outside this state, the county recorder shall cancel the elector's registration.

C. The county recorder shall maintain on the inactive voter list the names of electors who have been removed from the general register pursuant to subsection A or E of this section for a period of four years or through the date of the second general election for federal office following the date of the notice from the county recorder that is sent pursuant to subsection E of this section.

D. On notice that a government agency has changed the name of any street, route number, post office box number or other address designation, the county recorder shall revise the registration records and shall send a new verification of registration notice to the electors whose records were changed.

E. The county recorder on or before May 1 of each year preceding a state primary and general election or more frequently as the recorder deems necessary may use the change of address information supplied by the postal service through its licensees and the information provided by an electronic voter registration information center to identify registrants whose addresses may have changed. If it appears from information provided by the postal service or an electronic voter registration information center that a registrant has moved to a different residence address, the county recorder shall send the registrant a notice of the change by forwardable mail and a postage prepaid preaddressed return form or an appropriate internet address for revising voter registration information by which the registrant may verify or correct the registration information. If the registrant fails to revise the information or return the form postmarked not later than thirty-five days after the mailing of the notice, the elector's registration status shall be changed from active to inactive. If the notice sent by the recorder is not returned, the registrant may be required to provide affirmation or confirmation of the registrant's address in order to vote. If the registrant does not vote in an election during the period after the date of the notice from the recorder through the date of the second general election for federal office following the date of that notice, the registrant's name shall be removed from the list of inactive voters. If the registrant has changed residence to a new county, the county recorder shall provide information on how the registrant can continue to be eligible to vote.

F. The county recorder shall reject any application for registration that is not accompanied by satisfactory evidence of United States citizenship. Satisfactory evidence of citizenship shall include any of the following:

1. The number of the applicant's driver license or nonoperating identification license issued after October 1, 1996 by the department of transportation or the equivalent governmental agency of another state within the United States if the agency indicates on the applicant's driver license or nonoperating identification license that the person has provided satisfactory proof of United States citizenship.

2. A legible photocopy of the applicant's birth certificate that verifies citizenship to the satisfaction of the county recorder.

3. A legible photocopy of pertinent pages of the applicant's United States passport identifying the applicant and the applicant's passport number or presentation to the county recorder of the applicant's United States passport.

4. A presentation to the county recorder of the applicant's United States naturalization documents or the number of the certificate of naturalization. If only the number of the certificate of naturalization is provided, the applicant shall not be included in the registration rolls until the number of the certificate of naturalization is verified with the United States immigration and naturalization service by the county recorder.

5. Other documents or methods of proof that are established pursuant to the immigration reform and control act of 1986.

6. The applicant's bureau of Indian affairs card number, tribal treaty card number or tribal enrollment number.

G. Notwithstanding subsection F of this section, any person who is registered in this state on the effective date of this amendment to this section is deemed to have provided satisfactory evidence of citizenship and shall not be required to resubmit evidence of citizenship unless the person is changing voter registration from one county to another.

H. For the purposes of this section, proof of voter registration from another state or county is not satisfactory evidence of citizenship.

I. A person who modifies voter registration records with a new residence ballot shall not be required to submit evidence of citizenship. After citizenship has been demonstrated to the county recorder, the person is not required to resubmit satisfactory evidence of citizenship in that county.

J. After a person has submitted satisfactory evidence of citizenship, the county recorder shall indicate this information in the person's permanent voter file. After two years the county recorder may destroy all documents that were submitted as evidence of citizenship.

Notes of Decisions

Cited in 13 cases (5 in the last 5 years), 1986–2025 · leading case: Jesus Gonzalez v. State of Arizona, 677 F.3d 383 (9th Cir. 2012).

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Jesus Gonzalez v. State of Arizona, 677 F.3d 383 (9th Cir. 2012). · cites it 12× “ARIZONA 4121 see Ariz. Rev. Stat. § 16-166 (F) (the “registration provision”), and requires registered voters to show identification to cast a ballot at the polls, see Ariz.”

Arizona v. Inter Tribal Council of Ariz., Inc., 570 U.S. 1 (2013). · cites it 5× “The proof-of-citizenship requirement is satisfied by (1) a photocopy of the applicant's passport or birth certificate, (2) a driver's license number, if the license states that the issuing authority verified the holder's U.S. citizenship, (3) evidence of naturalization, (4)…”

Moore v. City of Page, 713 P.2d 813 (Ariz. Ct. App. 1986). · cites it 10× “On January 1, 1985, the Coconino County Recorder, as required by A.R.S. § 16-166, purged from the general county register of Coconino County the names of all persons listed thereon who did not vote in the 1984 general election and who did not have a valid driver's license in…”

Maria Gonzalez v. State of Arizona, 624 F.3d 1162 (9th Cir. 2010). · cites it 2× “See Ariz. Rev. Stat. § 16-166 (F).1 1 Section 16-166(F) provides the following list of approved identifica- tion documents: 1.”

Arizona All. for Retired Americans v. Kristin K. Mayes, 117 F.4th 1165 (9th Cir. 2024). “”) (emphasis added); A.R.S. § 16-166(B) (“If the elector provides the county recorder with a new registration form or otherwise revises the elector’s information, the county recorder shall change the register to reflect the changes indicated on the new registration.”

Kobach v. United States Election Assistance Comm'n, 6 F. Supp. 3d 1252 (D. Kan. 2014). · cites it 4× “at 2254 ("The straightforward textual question here is whether Ariz.Rev.Stat. Ann. § 16-166(F), which requires state officials to 'reject' a Federal Form unaccompanied by documentary evidence of citizenship, conflicts with the NVRA's mandate that Arizona ‘accept and use’ the…”

Stringer v. Pablos, 274 F. Supp. 3d 588 (W.D. Tex. 2017). “at 2252, 2254 (comparing Ariz. Rev. Stat. Ann. § 16-166 (F) with NVRA provision now codified at 52 U.”

Gonzalez v. Arizona, 649 F.3d 953 (9th Cir. 2010). “See Ariz.Rev.Stat. § 16-166(F). [1] Proposition 200 also addressed identification procedures at polling places.”

Daniel Lachance, Henry Stephen Conroy v. Cnty. of Cochise Cochise Cnty. Jail Dist. (Ariz. Ct. App. 2024). · cites it 4× “A.R.S. § 16-166(A),(E). Section 16-166(C) requires that members of these two groups be kept on the list for either four years, or “through the date of the second general election for federal office following the date of the notice” sent to members of the second group.”

Promise Arizona v. Petersen (9th Cir. 2024). “See Ariz. Rev. Stat. § 16-166 (F). The Supreme Court has held that the National Voting Rights Act (“NVRA”) prohibits Arizona from requiring DPOC from voters who register with the Federal Form, see Arizona v.”

Promise Arizona v. Petersen (9th Cir. 2025). “See Ariz. Rev. Stat. § 16-166 (F). 2 Sections 6 and 9 read together permit states to develop “a mail voter registration form” that requires “only such identifying information (including the signature of the applicant) and other information (including data relating to previous…”

League of United Latin Am. Citizens v. Exec. Off. of the President (D.D.C. 2025). “See Ariz. Rev. Stat. § 16-166 (F) (stating that a voter-registration application must be “accompanied by satisfactory evidence of United States citizenship”); Arizona v.”

Show all 13 citing cases →

— Ariz. Rev. Stat. § 16-166(A) — 2 cases

Moore v. City of Page, 713 P.2d 813 (Ariz. Ct. App. 1986). “On January 1, 1985, the Coconino County Recorder, as required by A.R.S. § 16-166, purged from the general county register of Coconino County the names of all persons listed thereon who did not vote in the 1984 general election and who did not have a valid driver's license in…”

Daniel Lachance, Henry Stephen Conroy v. Cnty. of Cochise Cochise Cnty. Jail Dist. (Ariz. Ct. App. 2024). “A.R.S. § 16-166(A),(E). Section 16-166(C) requires that members of these two groups be kept on the list for either four years, or “through the date of the second general election for federal office following the date of the notice” sent to members of the second group.”

— Ariz. Rev. Stat. § 16-166(B) — 1 case

— Ariz. Rev. Stat. § 16-166(C) — 1 case

— Ariz. Rev. Stat. § 16-166(F) — 5 cases

Jesus Gonzalez v. State of Arizona, 677 F.3d 383 (9th Cir. 2012). “ARIZONA 4121 see Ariz. Rev. Stat. § 16-166 (F) (the “registration provision”), and requires registered voters to show identification to cast a ballot at the polls, see Ariz.”

Arizona v. Inter Tribal Council of Ariz., Inc., 570 U.S. 1 (2013). “The proof-of-citizenship requirement is satisfied by (1) a photocopy of the applicant's passport or birth certificate, (2) a driver's license number, if the license states that the issuing authority verified the holder's U.S. citizenship, (3) evidence of naturalization, (4)…”

Maria Gonzalez v. State of Arizona, 624 F.3d 1162 (9th Cir. 2010). “See Ariz. Rev. Stat. § 16-166 (F).1 1 Section 16-166(F) provides the following list of approved identifica- tion documents: 1.”

Kobach v. United States Election Assistance Comm'n, 6 F. Supp. 3d 1252 (D. Kan. 2014). “at 2254 ("The straightforward textual question here is whether Ariz.Rev.Stat. Ann. § 16-166(F), which requires state officials to 'reject' a Federal Form unaccompanied by documentary evidence of citizenship, conflicts with the NVRA's mandate that Arizona ‘accept and use’ the…”

Gonzalez v. Arizona, 649 F.3d 953 (9th Cir. 2010). “See Ariz.Rev.Stat. § 16-166(F). [1] Proposition 200 also addressed identification procedures at polling places.”

— Ariz. Rev. Stat. § 16-166(F)(l) — 1 case

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