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MMR-SASK is a mandatory daily report that financial institutions in Lithuania must submit to VMI (State Tax Inspectorate). It captures information about opened and closed accounts, account representatives, and beneficial owners.

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What you report

  • Accounts - Bank accounts including current, deposit, loan, savings, payment card, securities, and crypto asset accounts
  • Representatives - Individuals authorized to manage accounts on behalf of account holders
  • Beneficiaries - Ultimate beneficial owners of legal entities holding accounts

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Unique reference IDs

Unique reference IDs are generated for submitted records and used to link related data, such as accounts and representatives. When submitting corrections or updates, the relevant reference ID must be used to ensure the change is applied to the correct record.

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API Reference

Explore the full API specification in the Swagger documentation.
IP Whitelisting Required: Before you can access the Swagger documentation, your IP address must be whitelisted. Contact us to register your IP addresses.

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Resources

Accounts

Create and update account records with owner information

Representatives

Manage account representatives

Beneficiaries

Report beneficial owners of legal entities
Last modified on April 9, 2026