🔐 IBPS AFO Interview — CTS Cheques & Fraud Liability
IBPS AFO interview questions on CTS-2026 cheque standards, Positive Pay System (₹50,000 threshold), customer zero liability rules, and digital signature mechanisms.
Security, Liability and Clearing
As digital banking grows, so does the importance of security protocols and determining liability when things go wrong. This lesson covers how liability is assigned in unauthorized transactions, the standards for physical cheques, and digital security mechanisms.
Customer Liability in Unauthorized Transactions
The Reserve Bank of India has established specific criteria to determine who bears the financial loss in case of unauthorized electronic banking transactions.
Zero Liability
A customer has zero liability (meaning they lose no money) in specific scenarios:
- Contributory fraud or negligence on the part of the bank: If the fraud occurs due to a lapse by the bank, unrelated to the customer.
- Third-party breach: If a third-party system is compromised and the customer notifies the bank within 3 working days of receiving the communication from the bank regarding the unauthorized transaction.
Limited Liability
In cases where the customer bears some responsibility or delays reporting, the liability is shared or limited.
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Security, Liability and Clearing
As digital banking grows, so does the importance of security protocols and determining liability when things go wrong. This lesson covers how liability is assigned in unauthorized transactions, the standards for physical cheques, and digital security mechanisms.
Customer Liability in Unauthorized Transactions
The Reserve Bank of India has established specific criteria to determine who bears the financial loss in case of unauthorized electronic banking transactions.
Zero Liability
A customer has zero liability (meaning they lose no money) in specific scenarios:
- Contributory fraud or negligence on the part of the bank: If the fraud occurs due to a lapse by the bank, unrelated to the customer.
- Third-party breach: If a third-party system is compromised and the customer notifies the bank within 3 working days of receiving the communication from the bank regarding the unauthorized transaction.
Limited Liability
In cases where the customer bears some responsibility or delays reporting, the liability is shared or limited.
- Customer Negligence: If the loss is due to customer negligence (e.g., sharing payment credentials), the customer bears the full liability until the unauthorized transaction is reported to the bank. Any loss occurring after reporting is borne by the bank.
- Delay in Reporting (4-7 days): If the customer delays reporting the transaction for 4 to 7 working days, their liability is capped based on the account type:
- BSBD Accounts: Maximum liability is Rs. 5,000.
- Savings/Prepaid/Other accounts (with average balance up to 25 Lakhs): Maximum liability is Rs. 10,000.
- Credit Cards (limit > 5 Lakhs) or other active accounts: Maximum liability is Rs. 25,000.
- Beyond 7 days: If the delay exceeds 7 days, the customer's liability is determined as per the Board approved policy of the bank.
Reversal Timeline
To ensure customers are not out of pocket for long periods during disputes:
- The amount involved in the unauthorized transaction must be reversed (credited back) to the customer's account within 10 working days from the date of such notification by the customer.
- If the complaint is not resolved within 90 days, customer liability is automatically capped as per the limits mentioned above, regardless of the ultimate finding.
Turnaround Time (TAT) for Failed Transactions
When a transaction fails (money debited but not credited to beneficiary), banks must reverse the amount within a set timeframe. If they fail to do so, they must pay compensation of Rs. 100 per day of delay.
- T + 1 day: For Card-to-card transfers, IMPS, UPI (Merchant transactions), NACH, and PPI transfers. The reversal must happen by the next working day.
- T + 5 days: For ATM withdrawals, POS transactions, UPI (P2P) transfers, and AePS.
Cheque Truncation System (CTS)
The Cheque Truncation System (CTS) eliminates the physical movement of cheques. Instead, an electronic image of the cheque is transmitted for clearing. To ensure security in this image-based system, the CTS-2010 Standard was introduced with mandatory security features.
CTS-2010 Standard Features
- Paper Quality: The paper should be UV dull, ensuring it doesn't reflect UV light, which helps in detecting alterations.
- Watermark: A standardized "CTS-INDIA" oval watermark (2.6 to 3.0 cm in diameter) is embedded in the paper.
- VOID Pantograph: A security feature where a hidden "COPY" or "VOID" message becomes visible if the cheque is photocopied.
- Bank Logo: The bank's logo operates as a security primitive and is printed in UV ink, visible only under UV light.
Other Key Aspects
- Positive Pay System: To prevent collecting banker fraud for high-value cheques, the Positive Pay mechanism allows customers to reconfirm key details (date, name, amount) of cheques larger than Rs. 50,000. While optional for customers, banks may consider making it mandatory for cheques above Rs. 5 Lakhs. This came into effect from January 1, 2021.
- Non-CTS Cheques: The clearing sessions for non-CTS cheques were discontinued effective from June 30, 2020.
- Record Preservation: The physical cheques or their images must be preserved by the presenting bank for 10 years.
- Visual Standards: Cheques must use light or pastel colors to ensure the background doesn't interfere with the data. The Print Contrast Ratio (PCR) with the background must be greater than 60% for clear imaging.
Electronic Signatures (IT Act 2000)
Under the Information Technology Act, 2000, electronic signatures are given the same legal recognition as handwritten signatures.
- They serve as the electronic equivalent of a handwritten signature, providing authentication and integrity to digital documents. Note that a simple scanned image of a physical signature is often not sufficient.
- Mechanism: It typically relies on Public Key Cryptography (Asymmetric Encryption).
- Private Key: This key is kept confidential by the signer and is used to create the digital signature.
- Public Key: This key is shared openly and is used by the receiver to verify that the signature was created by the holder of the private key.
Offline Retail Payments (Pilot)
Rural India has patchy connectivity — farmers and shopkeepers can't always use UPI when there's no signal. To solve this, RBI introduced specialized offline payment solutions that work without internet.
- Mode: These transactions happen in Proximity (Face-to-face) mode only — think NFC or Bluetooth, not remote transfers. Both parties must be physically present.
- Mechanism: These payments operate through "store-and-forward" mechanisms — the transaction is stored locally on the device and synchronized with the bank once connectivity is restored. The money doesn't move instantly; it moves when the internet returns.
- Transaction Limits: Since the bank cannot verify funds in real-time, RBI caps the risk. The upper limit for a single offline transaction is Rs. 500 (enhanced from Rs. 200 on August 10, 2023).
- Total Limit: To further control exposure, the total outstanding offline balance on a payment instrument is capped at Rs. 2,000 at any point in time.
- Replenishment: Once the limit is exhausted, the balance can only be topped up via online mode with Additional Factor of Authentication (AFA) — this forces the bank to verify the account balance before allowing further offline spending.
Summary Cheat Sheet
| Concept / Topic | Key Details / Explanation |
|---|---|
| Zero Liability — Bank Fault | Customer has zero liability if fraud is due to bank's negligence/lapse |
| Zero Liability — Third-Party Breach | Zero liability if customer reports within 3 working days of bank's communication |
| Customer Negligence (e.g., sharing credentials) | Customer bears full liability until unauthorized transaction is reported; after reporting, bank bears the loss |
| Delay 4–7 Working Days — BSBD Accounts | Max liability ₹5,000 |
| Delay 4–7 Working Days — Savings/Prepaid | Max liability ₹10,000 (avg balance up to ₹25 lakh) |
| Delay 4–7 Working Days — Credit Cards (>₹5L limit) | Max liability ₹25,000 |
| Delay Beyond 7 Days | Liability per bank's Board-approved policy |
| Reversal Timeline | Amount reversed within 10 working days of customer notification |
| Complaint Not Resolved in 90 Days | Customer liability automatically capped at above limits |
| TAT — T+1 Day | Card-to-card, IMPS, UPI (Merchant), NACH, PPI transfers |
| TAT — T+5 Days | ATM withdrawals, POS, UPI (P2P), AePS |
| TAT — Delay Compensation | ₹100 per day of delay |
| CTS — Full Form | Cheque Truncation System — electronic image replaces physical cheque movement |
| CTS-2010 — Paper | Must be UV dull (no UV reflection) |
| CTS-2010 — Watermark | "CTS-INDIA" oval watermark, 2.6–3.0 cm diameter |
| CTS-2010 — VOID Pantograph | Hidden "COPY"/"VOID" appears when photocopied |
| CTS-2010 — Bank Logo | Printed in UV ink, visible only under UV light |
| Positive Pay System | Customer reconfirms details of cheques >₹50,000; may be mandatory for cheques >₹5 lakh; effective 1 January 2021 |
| Non-CTS Cheques | Clearing discontinued from 30 June 2020 |
| Cheque Record Preservation | Physical cheques/images preserved for 10 years |
| Print Contrast Ratio (PCR) | Must be >60% with background for clear imaging |
| Electronic Signatures — Law | IT Act, 2000; same legal recognition as handwritten signatures |
| Digital Signature Mechanism | Public Key Cryptography (Asymmetric Encryption): Private key (confidential, creates signature) + Public key (shared, verifies signature) |
| Offline Retail Payments — Mode | Proximity (face-to-face) only; store-and-forward mechanism |
| Offline Payments — Per Transaction Limit | ₹500 (enhanced from ₹200 on 10 August 2023) |
| Offline Payments — Total Limit | ₹2,000 at any point in time |
| Offline Payments — Replenishment | Only via online mode with AFA (Additional Factor of Authentication) |
For IBPS AFO exam pattern and coverage see exam pattern and syllabus. Practise in mock tests. For RBI guidelines on customer liability and cheque standards visit rbi.org.in.
Related: Fund Transfer Systems and NPCI Products.
Frequently Asked Questions
Q: When does a customer have zero liability for an unauthorised banking transaction? A customer has zero liability in two scenarios: (1) if the fraud is due to the bank's own negligence or lapse, unrelated to the customer; (2) if the fraud involves a third-party breach and the customer notifies the bank within 3 working days of receiving the bank's communication about the unauthorised transaction. If the customer is negligent (e.g., sharing credentials), they bear full liability until they report the incident.
Q: What are the four mandatory security features of CTS-2010 standard cheques? CTS-2010 cheques must have: (1) UV dull paper — does not reflect UV light, helping detect alterations; (2) "CTS-INDIA" oval watermark embedded in the paper (2.6–3.0 cm diameter); (3) VOID Pantograph — a hidden "COPY" or "VOID" message that appears if the cheque is photocopied; (4) Bank logo printed in UV ink, visible only under UV light. Non-CTS cheques were discontinued from clearing on June 30, 2020.
Q: What is the Positive Pay System and from what amount is it applicable? The Positive Pay System allows customers to reconfirm key cheque details (date, payee name, amount) for high-value cheques before they are processed. RBI mandated Positive Pay for cheques above ₹50,000 (optional for customers but strongly recommended), effective January 1, 2021. Banks may make it mandatory for cheques above ₹5 lakh. This protects against collecting banker fraud and cheque alteration.
Q: What are the turnaround time (TAT) rules for failed banking transactions? For Card-to-card transfers, IMPS, UPI merchant transactions, NACH, and PPI transfers: reversal must happen by T+1 day (next day). For ATM withdrawals, POS transactions, UPI P2P transfers, and AePS: reversal must happen by T+5 days. If the bank fails to reverse within the TAT, it must pay compensation of ₹100 per day of delay automatically — no customer complaint required.
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