1. Normalize the input
Spaces are removed and the representation is normalized.
🇷🇸 IBAN COUNTRY PROFILE · Serbia
Check an IBAN from Serbia and understand its structure
An IBAN for Serbia always contains 22 characters. After RS and two IBAN check digits, the national BBAN contains 3-character bank identifier, 13-character account part and 2-character national check digit. The bank identifier is checked against the available bank directory; where available, the result also includes the institution, city and BIC.
22 charactersFixed total length
18 charactersNational BBAN
RSISO country code
Structure of an IBAN from Serbia
The reference example RS35 1050 0560 1001 6113 70 shows the country-specific components. It is provided for explanation only and is not a request to make a payment.
RS 35 105 0000123456789 70
RSCountry code
35IBAN check digits
105Bank identifier
0000123456789Account part
70National check digit
| Position | Length | Component | Format |
|---|---|---|---|
| 1–2 | 2 | Country code | Letters: RS |
| 3–4 | 2 | IBAN check digits | Digits |
| 5–7 | 3 | Bank identifier | Digits |
| 8–20 | 13 | Account part | Digits |
| 21–22 | 2 | National check digit | Digits |
No valid country has been selected for this IBAN check brick.
What IBAN-Test validates for Serbia
Validation covers normalization, country assignment, the fixed 22-character length, the country-specific segment structure and MOD-97. The bank identifier is also checked against the available bank directory. Account ownership and real-time account existence are not checked.
2. Country and structure
RS, the length and the segment sequence are checked.
3. MOD-97
The international checksum catches many typing errors.
4. Available depth
The bank identifier is checked and available bank details are returned.
| Validation step | Available | Details |
|---|---|---|
| Country, length and structure | Yes | RS, 22 characters; 3-character bank identifier, 13-character account part and 2-character national check digit. |
| MOD-97 checksum | Yes | Mathematical IBAN validation. |
| Known bank identifier | Yes | The bank identifier is checked against the available directory. |
| National account check | Yes | The national account checksum is validated using the country-specific method. |
| Bank details and BIC | Yes | Available institution details and BIC are returned from the directory. |
| IBAN name check | No | No comparison between an account holder’s name and the IBAN. |
| Account existence | No | No request is sent to the account-holding institution. |
Validate an IBAN from Serbia via API
The same validation is available through the REST API. The IBAN is sent in the request and is not placed in a public, indexable URL.
curl --get 'https://www.iban-test.eu/api/v2/iban/validate' \
--header 'Authorization: Bearer YOUR_API_TOKEN' \
--data-urlencode 'iban=RS35 1050 0560 1001 6113 70'For this country, the response also checks the bank identifier against the available directory and returns bank details and BIC where published.
What a valid IBAN from Serbia does not prove
Formal validity is a strong signal against input errors, but it is not real-time confirmation of an account.
No existence confirmation
The account may be closed or unreachable.
No account-holder match
A person or company name is not compared with the IBAN.
No payment guarantee
A valid IBAN does not guarantee that a payment will be accepted.
Registry rules can change
Country formats may be updated when the official registry changes.
Privacy: The input is transmitted only for validation and is not placed in the page URL.