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The short answer
Since December 2023 the CBN has required Tier 2 and Tier 3 individual accounts to carry both a BVN and a NIN, and banks pull your details electronically from the NIBSS and NIMC databases, so a difference between the two records shows up as a failed verification. Correct whichever record differs from your birth certificate or international passport: a BVN is corrected physically at a bank branch, a NIN through NIMC.
Why a mismatch suddenly matters
For years many people had a BVN with one spelling and a NIN with another and nothing happened. That changed when the CBN tightened its identity rules. Its BVN page records that, from December 2023, individual Tier 2 and Tier 3 accounts and wallets must have both a BVN and a NIN, while Tier 1 needs either one, and that account opening now retrieves the customer's data electronically from the NIBSS BVN database or the NIMC NIN database. ICIR's report of the same circular adds that funded accounts without a BVN or NIN were to be placed on "Post No Debit or Credit" from 1 March 2024.
When a bank or app checks you, it compares what each database says. If the BVN record reads one date of birth and the NIN record another, or the surname is spelt differently, the check fails. The usual symptoms are a stalled account upgrade, a refused new account, or a message telling you to visit your bank. Our guide to KYC tiers in Nigeria explains what each tier allows.
Step one: decide which record is wrong
Do not start by changing whichever record is easiest. Start with a document that settles the truth, then correct the record that departs from it. The best references are, in order, your birth certificate or statutory declaration of age, your international passport, and, for a name change, a marriage certificate or court document.
| What differs | Usual cause | Record usually corrected |
|---|---|---|
| Date of birth off by a day or a year | Typed wrongly at one enrolment | Whichever record disagrees with your birth certificate |
| Surname differs after marriage | One record updated, the other not | The record still showing the old name |
| One letter different in a name | Spelling slip at capture | The record that differs from your passport |
| Names in a different order | Surname-first versus first-name-first entry | Often neither; see the name-order guide |
| Middle name missing on one | Left out at capture | Add it to the record without it, if you use it on ID |
Name order alone does not always mean a wrong record; many apps match names in any order, and some do not. We cover that case in BVN name order problems.
Correcting the BVN side
NIBSS states that "update of customer information shall be done at their Bank Branches physically", so a BVN correction starts at a branch of your bank, not on a website. The CBN set out how banks should treat corrections in a February 2016 circular on BVN issues (BPS/DIR/GEN/CIR/16/003):
- A date of birth correction on the BVN record is allowed once, with supporting documents.
- A change of name due to marriage is allowed with documents such as a marriage certificate or affidavit.
- A minor misspelling can be corrected with a document, such as an international passport, showing the right spelling.
- Totally or partially different names can be changed only with supporting documents, and the bank must report such a case to the Nigerian Financial Intelligence Unit as a suspicious transaction.
- Your BVN name must be the same on every account you hold in the industry.
- Banks were told to resolve BVN issues within five working days of the customer submitting all required documents.
Technext's reading of the 2021 Revised Regulatory Framework for BVN Operations reports the same one-time limit on date of birth, and lists divorce certificates and newspaper adverts among accepted evidence for name changes. Because the date of birth can be changed only once, make sure the date you give is the one on your birth certificate before you sign the form.
Correcting the NIN side
A NIN record is held by the National Identity Management Commission, and only NIMC or its licensed partners can change it; your bank cannot. NIMC calls this a data modification. Techpoint Africa's guide (updated June 2025) reports a fee of ₦500 per field changed and ₦15,000 for a date of birth change, which it says can be made once. Those figures are from a third-party guide, so confirm the current fee with NIMC or the enrolment centre before you pay. Our separate guide on how long NIN modification takes covers timing.
What to check first
- Find out exactly which field failed. Ask the bank or app for the message wording rather than a general "mismatch".
- Check your BVN name with *565*1# or your bank app, and your NIN details on your NIN slip or NIMC app.
- Compare both with your birth certificate or passport and decide which record is wrong.
- Gather evidence: birth certificate, passport, marriage certificate, affidavit or newspaper publication, depending on the change.
- Correct one record, wait for confirmation, then ask your bank to re-run the verification.
Where Pryme fits
A clean BVN and NIN make every account opening easier, including a Pryme Personal or Business account, which you can open from any country. Naira deposits are held by Solid Allianze Microfinance Bank Ltd, which is licensed by the CBN, so the same identity checks apply.
Questions people ask
Which one should I correct, BVN or NIN?
The one that differs from your birth certificate or international passport. If the BVN is wrong, go to a branch of your bank; if the NIN is wrong, go to NIMC or a licensed enrolment partner.
Can my bank change my NIN details?
No. A bank can correct your BVN record at a branch, but NIN data is held by NIMC and must be modified through NIMC.
How many times can I change my date of birth on BVN?
Once. The CBN's 2016 circular and the 2021 framework both allow a single date of birth correction, with supporting documents.
How long does a BVN correction take?
The CBN told banks to resolve BVN issues within five working days after the customer has submitted all the required documents.
Sources
- Central Bank of Nigeria: Bank Verification Number · accessed Oct 2026
- NIBSS: Bank Verification Number (BVN), page updated 5 Oct 2026 · accessed Oct 2026
- CBN circular BPS/DIR/GEN/CIR/16/003 on BVN issues, 24 Feb 2016 (RegAlert copy) · accessed Oct 2026
- Technext: BVN is issued for life, CBN corrects its 2015 FAQ (May 2023) · accessed Oct 2026
- ICIR: CBN to freeze bank accounts without BVN, NIN (2 Dec 2023) · accessed Oct 2026
- Techpoint Africa: Everything you need to know about NIN in Nigeria (updated 4 Jun 2025) · accessed Oct 2026
This article is general information, not financial, legal or tax advice. Products described are provided under the terms on this site and are subject to regulation and eligibility.