The basic process: what happens when you add an authorized user
Adding someone to your bank account means giving them legal access to withdraw money, make deposits, and see the account balance. The person you add becomes either a joint account holder (they own the account with you) or an authorized user (they can use it but you remain the owner). Most banks let you choose which one during the process.
The steps are straightforward: you go to your bank in person or online, provide the other person's name and Social Security number or tax ID, sign paperwork, and they sign it too. The bank verifies their identity, runs a background check through ChexSystems (a banking history database), and then activates their access. Most banks complete this within one to three business days, though some do it the same day if you're both present.
What matters most is understanding the legal difference. A joint account holder has equal ownership and equal rights to all the money in it—if you die, the account passes to them automatically. An authorized user can access and spend the money, but you stay the legal owner, and the account goes through your will if you die. Some banks charge a small monthly fee for authorized users; others don't.
Key Takeaways
- You can add someone as a joint owner or as an authorized user, and the choice affects who legally owns the money if you die.
- Both of you must be present at the bank or complete identity verification online, and the bank will check their ChexSystems history.
- The process usually takes one to three business days, though some banks activate access the same day.
- Joint owners have equal rights to all money in the account; authorized users can spend it but you remain the owner.
- Some banks charge monthly fees for authorized users, so check your account terms before you add someone.
In-person at the bank: what to bring and what happens
If you both go to a branch together, bring your ID and the other person's ID (driver's license, passport, or state ID). The bank will ask for the person's Social Security number or Individual Taxpayer Identification Number (ITIN). If they don't have a Social Security number, some banks will still add them but may require additional documentation like a passport or consulate ID.
A banker will walk you through a form that asks whether you want a joint account or an authorized user setup. They'll explain the difference and what happens to the account if one of you dies. You'll both sign the paperwork in front of the banker. The bank runs a ChexSystems check on the new person—this is a database of banking history, not a credit check, so it won't hurt their credit score. If they've had serious banking problems (like writing bad checks or fraud), the bank may decline to add them.
Once the paperwork is signed and verified, the bank usually activates the access within one business day. You can ask whether they'll do it the same day; some branches will if the ChexSystems check clears immediately. The new person can then use a debit card, online banking, or visit the branch to withdraw money.
Online or by mail: adding someone without visiting a branch
Many banks let you start the process online through your account dashboard. You'll enter the other person's name, Social Security number, and relationship to you. The bank sends them a link or email to verify their identity—they'll usually upload a photo ID and answer security questions. This step can take a few hours to a full business day.
Once they verify their identity, you both sign electronically (usually through DocuSign or a similar service). The bank then runs the ChexSystems check. If it clears, they activate the access within one to three business days. Some banks mail a debit card to the new person's address; others let them use online banking immediately and mail the card later.
A few banks still require at least one person to visit a branch in person, especially if you're adding a joint owner rather than an authorized user. Check your bank's website or call before you start the online process—it's faster to know upfront than to get halfway through and hit a roadblock.
What the other person needs to know before they sign
Make sure they understand what they're signing up for. If they're becoming a joint owner, they have equal legal claim to every dollar in the account—they can withdraw it all without asking you. If you die, the account passes to them automatically and bypasses your will. If they die, the account passes to you. If you both die at the same time, the account goes through probate.
If they're an authorized user, they can spend the money but you stay the owner. You can remove them at any time without their permission. If you die, the account goes through your will, not to them. Some banks charge $5 to $15 per month for authorized users, so they should know whether there's a fee.
They should also know that the bank will check their ChexSystems history. If they've had problems with a previous bank—overdrafts they didn't pay back, fraud, or writing bad checks—the bank may refuse to add them. It's worth asking them directly before you go to the bank.
Joint account vs. authorized user: which one to choose
Choose a joint account if you want to share ownership equally and you trust the person completely with all the money. This works well for spouses, long-term partners, or adult children you want to inherit the account. The downside is that they have the same legal rights you do—they can close the account, change the address, or withdraw everything without telling you.
Choose an authorized user if you want to give someone access without giving them ownership. This is better for teenagers, adult children you want to help but not fully trust with the account, or caregivers who need to pay bills on your behalf. You stay in control, you can remove them anytime, and the account goes through your will when you die. The downside is that some banks charge a monthly fee.
A few banks offer a middle ground: a limited authorized user who can only withdraw up to a certain amount per day or per transaction. Ask your bank whether this option exists. It's useful if you want to give someone access but protect against large unauthorized withdrawals.
What happens if the bank says no
The bank can refuse to add someone if their ChexSystems check shows serious problems: unpaid overdrafts, fraud, or writing bad checks at another bank. If this happens, ask the bank which specific issue caused the denial. The person can dispute inaccurate information on their ChexSystems report by contacting the bureau directly (ChexSystems, Early Warning Services, or Clarity Services, depending on which one your bank uses).
If the person has no Social Security number and no ITIN, some banks will still add them but require extra documentation like a passport or consulate ID. A few banks won't add anyone without a Social Security number—if yours is one of them, you may need to switch banks or use a different account type.
If the bank refuses and you believe it's a mistake, ask to speak with a manager. Some decisions can be overridden, especially if the person can explain the ChexSystems issue or provide proof that it's been resolved.
Removing someone from the account later
If you added them as an authorized user, you can remove them anytime by calling the bank or going online. Most banks do this within one business day. The person loses access to the account immediately, though the bank may take a few days to deactivate their debit card.
If you added them as a joint owner, removal is more complicated. You can't unilaterally remove a joint owner—both of you have to agree and sign paperwork. If they won't cooperate, you may need a lawyer. Some banks will convert a joint account to a single-owner account if one person requests it and the other is deceased, but they won't do it while both owners are alive and one refuses.
If you're concerned about removing someone, ask your bank about their policy before you add them. Some banks make it easier than others, and it's worth knowing upfront.
Frequently Asked Questions
Can I add someone to my account if they live in a different state?
Yes. You can do this online or by mail with most banks. Both of you will verify your identities electronically, and the bank will mail a debit card to their address. Some banks require at least one person to visit a branch in person, so check your bank's policy first.
Will adding someone to my account affect their credit score?
No. The bank checks ChexSystems, which is a banking history database, not a credit bureau. It won't show up on their credit report or affect their credit score. However, if the ChexSystems check reveals problems, the bank may refuse to add them.
What if the person I want to add doesn't have a Social Security number?
Some banks will add them with an ITIN (Individual Taxpayer Identification Number) or a passport. Others require a Social Security number and won't make exceptions. Call your bank before you try—if they won't do it, you may need to switch banks or use a different account type.
Can I add someone to my account without them knowing?
No. Both of you must sign paperwork and verify your identities. The bank requires this for legal protection. If you're trying to add someone without their knowledge, the bank will catch it during the verification step.
What happens to a joint account if one person dies?
The account passes automatically to the surviving owner. It bypasses your will and probate. If you want the account to go to someone else when you die, you should not make it a joint account—use an authorized user setup instead, or name a beneficiary on the account if your bank offers that option.