> ## Documentation Index
> Fetch the complete documentation index at: https://docs.coverbase.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Finland

> What Coverbase asks a supplier in Finland for, and which of those rules block a submission.

[User guides](/user-guides/overview) / [Supplier countries](/user-guides/supplier-countries/overview)

A supplier whose bank account is held in Finland sees the fields below. The country is chosen on the form, and changing it changes the fields, so a supplier is never asked for a detail their country does not use.

## Bank details

| Field          | Requirement | Format                                                       | Notes                                                             |
| -------------- | ----------- | ------------------------------------------------------------ | ----------------------------------------------------------------- |
| Bank name      | Optional    | up to 60 characters                                          |                                                                   |
| Bank code      | Optional    | no length limit, digits only                                 |                                                                   |
| Branch code    | Optional    | 6 characters, digits only                                    |                                                                   |
| Account number | Required    | 8 to 14 characters, digits only, Finnish account check digit |                                                                   |
| Check digit    | Optional    | 1 characters, digits only                                    |                                                                   |
| SWIFT/BIC      | Optional    | 8 to 11 characters, letters and digits                       | 8 or 11 characters, e.g. BOFAUS3N. Needed for a payment by wire.  |
| Account type   | Optional    | no length limit, one of: checking, savings                   | Checking unless the bank issued the account as a savings account. |

### IBAN

An IBAN is required for Finland. It is 18 characters and is checked against the ISO 7064 MOD-97 algorithm, which catches a mistyped or transposed digit before the details reach your finance system.

## Tax and company registrations

| Registration           | Requirement | Format                                                 | Notes                                        |
| ---------------------- | ----------- | ------------------------------------------------------ | -------------------------------------------- |
| Business ID (Y-tunnus) | Required    | 8 characters, letters and digits, Y-tunnus check digit | 7 digits plus a check digit, e.g. 0201256-6. |

After a registration is saved, Coverbase checks it against the EU VIES service in the background. That check never blocks the supplier: it annotates the record once it completes, and a reviewer can retry it.

## Where these rules come from

Oracle Fusion Cash Management 26c FI validations; PRH Y-tunnus checksum.

The rules on this page are confirmed against a primary source, so they are enforced strictly.

Configuration version `2026.09.1`. Your organization can override any of these rules for its own suppliers.

## Related

<CardGroup cols={2}>
  <Card title="Supplier countries" icon="globe" href="/user-guides/supplier-countries/overview">
    Every country Coverbase validates, side by side.
  </Card>

  <Card title="Supplier information guide" icon="building-columns" href="/user-guides/supplier-information">
    How these details are collected, reviewed, and handed to your finance system.
  </Card>
</CardGroup>