Opening a joint bank account with someone you trust — like a spouse, parent, sibling, or partner — is common and often convenient. But one critical error can lead to serious financial, legal, or tax trouble if you’re not careful.
Let’s break down what that mistake is, why it matters, and how to avoid problems.

🧠 The ONE Mistake That Can Cause Big Trouble

Not clearly specifying the mode of operation when opening the joint account.

This may sound small, but choosing the wrong option — or not choosing at all — can lead to disputes, misunderstandings, unauthorized withdrawals, and even legal difficulties later.

📋 What Is “Mode of Operation”?

When you open a joint account, the bank will ask you how the account should be operated. The main modes are:

1. “Former or Survivor” / “Survivor”

✔ Either person can operate the account independently.
✔ If one account holder dies, the surviving holder automatically becomes the sole owner.

2. “Either or Survivor”

✔ Either account holder can operate the account alone.
✔ After death of one, the other continues.

3. “Jointly / Jointly and Severally”

✖ Both persons must sign or authorize transactions.
✖ Money cannot be withdrawn unless both account holders agree.

4. “Former or Joint” / Other Variants

⚠ Some banks use hybrid terms — it’s important to understand exactly what they mean.

🚩 Why Mis‑Choosing This Matters

Here’s how this single mistake can land you in trouble:

👉 1. Unauthorized Withdrawals

If you choose “either/ survivor” without realizing it, the other person may withdraw funds without your consent — legally.

👉 2. Inheritance & Tax Issues

If you assume the account is treated a certain way for taxes or inheritance but the bank treats it differently, it can lead to:

• Capital gains or gift tax complications
• Questions from tax authorities if funds are attributed incorrectly
• Issues in estate settlement after death

👉 3. Legal Disputes

Without clarity on operating instructions, disagreements between holders can end up in court or with police complaints.

👉 4. bank Liability

If the bank follows the operating mode on file, they are protected — even if you later claim you didn’t understand or agree.

🧑‍⚖️ Real‑Life Examples of Trouble That Can Happen

❌ Example 1: spouse Withdrawing Without Consent

A husband and wife opened a joint account with “either/survivor” mode, thinking both needed to sign. Later, the wife withdrew money without telling the husband — and it was legal.

❌ Example 2: Parent Makes Gifts Without Knowledge

Parents add an adult child to their savings account. The child withdraws large sums — the bank had “either/ survivor” mode, so both signatures weren’t needed.

❌ Example 3: Inheritance Dispute

A sibling dies. The surviving sibling claims the joint account money as sole property, but the legal heirs contest it — leading to long, expensive litigation.

🧾 Tips to Avoid This Mistake

✅ 1. Understand Every Operating Option

Ask the bank staff to explain clearly what each mode means in practical terms — not just on paper.

✅ 2. Write Your Preference Clearly

Don’t leave this blank or unsigned — make sure the mode of operation is clearly recorded in your account opening form.

✅ 3. Get It in Writing

Ask for a written confirmation of the mode of operation chosen. Keep it with your records.

✅ 4. Talk to a Financial Advisor or lawyer (If Needed)

If large sums, property proceeds, or inheritance issues are involved, professional advice helps.

✅ 5. review Account Statements Regularly

Regular monitoring helps spot unauthorized withdrawals early.

🧠 When Joint Accounts Make Sense

Despite the risk, joint accounts can be helpful in situations like:

✔ Managing household expenses with a spouse
✔ parents and children sharing maintenance funds
✔ Caregivers needing access for elderly parents
✔ Shared business or project accounts

Just make sure that the operational rules match your purpose and comfort level.

🏁 Final Word

Opening a joint account itself isn’t bad — the mistake is selecting the wrong operational instruction without understanding the consequences. That single oversight can lead to financial loss, disputes, tax questions, and legal headaches later on.

Always take a moment to understand, confirm, and document exactly how the account will operate. It’s your money — and clarity protects it.

 

Disclaimer:

The views and opinions expressed in this article are those of the author and do not necessarily reflect the official policy or position of any agency, organization, employer, or company. All information provided is for general informational purposes only. While every effort has been made to ensure accuracy, we make no representations or warranties of any kind, express or implied, about the completeness, reliability, or suitability of the information contained herein. Readers are advised to verify facts and seek professional advice where necessary. Any reliance placed on such information is strictly at the reader’s own risk.