Colorado mail ballot amendment raises Social Security number and county cost questions

Amendment 84 moves to Colorado voters

Amendment 84 is a proposed constitutional amendment on Colorado’s November general election ballot. It would add identification information to the signature already required on returned mail ballot envelopes.

If voters approve it, the measure would apply to mail ballots in federal and statewide elections, adding another verification requirement while preserving Colorado’s existing mail ballot signature review process.

What voters would write

The measure would require voters to provide the last four digits of a Social Security number, a qualifying Colorado identification card number, or a qualifying Colorado driver’s license number.

Any Colorado identification card or driver’s license used for this requirement must comply with federal REAL ID law, while Social Security information remains another accepted option for voters.

Current signature checks

Colorado verifies returned mail ballots through signatures. Election officials compare each envelope signature with records already associated with that voter before accepting the ballot for the official counting process.

When officials find a signature discrepancy, two election judges from different political parties review it. Officials contact the voter if both reviewers determine that additional confirmation is necessary.

Mail voting remains central

Colorado sends mail ballots to active eligible voters for applicable elections. In the 2024 general election, 92% of all ballots cast in Colorado were submitted as mail ballots.

Voters may return mail ballots by mail or drop box. They can also vote at a voter service and polling center located within their county during applicable elections.

Polling place rules would stay separate

Amendment 84 would not change identification documents accepted for in-person voting. Existing Colorado rules already require voters casting ballots there to present an accepted form of identification during elections.

The proposal creates a separate standard for returned mail ballots. Voters using those envelopes would face the added identification requirement, while existing in-person voting options would remain available.

Missing numbers would trigger review

If required identification information is missing or cannot be matched with the statewide voter registration database, election officials would contact the voter with instructions for correcting the discrepancy.

The affected ballot could not be counted unless the voter resolves the issue. Amendment 84 gives voters eight days after election day to complete the required correction process.

Fun fact: Across the United States, mail ballots accounted for 43.1% of the electorate during the 2020 general election.

Other identification could resolve discrepancies

Voters correcting a missing or unmatched number could provide qualifying identification in person or digitally. The measure also permits several alternative documents during that review process if needed.

Those alternatives include a U.S. passport, U.S. military identification card, or tribal photo identification card. Some qualifying voters may use broader options under applicable federal accessibility law.

Little-known fact: From 1946 to 1972, cards bearing a Social Security number carried a warning stating that they were not for identification.

Supporters focus on added verification

Supporters argue identification numbers provide a more consistent verification method than signatures. They describe the proposal as another way to confirm returned mail ballots before officials count them.

They also contend most voters already possess eligible identification or know their Social Security number, while in-person voting would remain available as an alternative under existing Colorado rules.

Opponents raise access and privacy concerns

Opponents argue eligible ballots could remain uncounted when voters omit required information, enter it incorrectly, or encounter mismatches with official records during verification or the later correction process.

They also raise privacy concerns about placing sensitive identifying information on return envelopes and argue Colorado’s existing signature system already provides an effective method for verifying mail ballots.

County costs depend on voter approval

County spending could rise by up to $2.5 million in the 2026 to 2027 budget year if voters approve Amendment 84 and its proposed new verification requirements.

Those costs would reflect additional election judge hours, voter notifications, redesigned ballot materials, system changes, outreach, and other administrative work created by the proposed verification process for counties.

State would reimburse part of county costs

County spending could reach up to $1.2 million in future years under the proposal. The state would reimburse about 45% of those local costs if voters approve it.

Counties would cover the remaining share while handling additional election work, including identification reviews, discrepancy notices, ballot processing, and administrative changes required during future elections under the measure.

Budget impact and filing fees

Combined state and local government spending could reach up to $2.7 million in the initial budget year if Amendment 84 passes, covering outreach, printing, and election staffing.

The Colorado Department of State may need to raise business filing fees to cover some measure costs, depending on available fund balances and total program expenses under Amendment 84.

Want to stay ahead of the news? Check out how a Michigan data center plan added Social Security AI safeguards to the tech debate.

Passage requires 55% support

Because Amendment 84 would amend the Colorado Constitution, it requires at least 55% of votes cast on the measure to pass in the November general election under state law.

If voters approve it, the measure would add mail ballot identification requirements while retaining signature verification. If voters reject it, the existing system would continue without added requirements.

Want to stay ahead of the news? Check out how New Mexico sued FEMA over $61 million in unpaid wildfire response costs.

When Colorado’s mail ballot amendment raises questions about Social Security numbers, voter verification, and county costs, what details should voters understand most clearly? Share your thoughts in the comments below!

This slideshow was made with AI assistance and human editing.

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