- ABA Routing Number Policy and ProceduresThe ABA Routing Number Policy governs which US institutions may receive routing numbers and how assignments change, merge or retire. It links the nine-digit identifier to its current institution, helping payment providers maintain routing directories as banks reorganise or close.
- Bundesbank Bankleitzahl RulesThe Bundesbank's Bankleitzahl rules govern allocation, amendment and deletion of Germany's bank sort codes. Its quarterly directory supports institution routing and BIC derivation from German IBANs, helping payment providers handle bank changes without reusing deleted routing records.
- Central Bank of Libya National Alias Directory FrameworkLibya's National Alias Directory registers, resolves and verifies approved aliases against account information across participating institutions. The central-bank framework supplies the addressing layer required by alias-based LYPay flows, connecting an identifier to an account.
- Indian Financial System Code SpecificationIndia's IFSC identifies a bank branch for electronic payments using eleven characters: four bank letters, a reserved zero and six branch characters. Supplied alongside the beneficiary account number in NEFT, it connects the payment instruction with the destination branch for routing.
- ISO 11649:2009 Structured Creditor ReferenceISO 11649:2009 defines the RF structured creditor reference, combining check digits with the creditor's reference. It helps match incoming payments with invoices or other obligations and detects transcription errors, giving payment and accounting systems a reconciliation reference.
- ISO 13616-1:2020 International Bank Account NumberISO 13616-1:2020 defines the International Bank Account Number's structure: country code, check digits and a country-specific basic account number. It gives payment systems a outer format for account identification, while each country's format determines the account structure.
- ISO 17442-1:2020 Legal Entity IdentifierISO 17442-1:2020 defines elements of the Legal Entity Identifier and its reference-data framework. The LEI distinguishes legal entities involved in financial transactions, helping systems match parties when names vary and separate a legal organisation from its brands or products.
- ISO 18245:2023 Merchant Category CodesISO 18245:2023 defines Merchant Category Codes for classifying merchant business activity. A shared vocabulary helps issuers, acquirers and analysts interpret merchant categories consistently in payment data, while an MCC describes the activity rather than identifying a business.
- ISO 3166-1 — Country codesISO 3166-1 defines two-letter, three-letter and three-digit codes for countries, dependencies and geopolitical areas. It replaces inconsistent place names with shared identifiers, helping payment and reference-data systems represent markets and keep geographic records aligned.
- ISO 4217 — Currency codesISO 4217 defines alphabetic and numeric codes for currencies and funds, alongside minor-unit information. It gives amounts and financial messages a currency reference, with published amendments keeping the code set aligned with currency changes rather than relying on names or symbols.