Entity Identifiers¶
The entity-identifier crosswalk reconciling RSSD, FDIC Cert, LEI and other keys across sources.
10 rows. Download the raw CSV from the repository.
| identifier | issuer | format | scope | reuse_rule | primary_in | also_appears_in | notes |
|---|---|---|---|---|---|---|---|
| RSSD ID | Federal Reserve Board (National Information Center / RSSD database) | Sequential integer with check digit, no fixed length | Every entity the Fed tracks (banks, BHCs/FHCs, branches, savings institutions, holding-company tiers, some foreign and non-bank entities) | Never changes, never reused; one per entity for its entire life cycle; persists after liquidation or closure | NIC/NPW, FFIEC Call Report, FR Y-9C and the FR Y-series | FDIC datasets (FED_RSSD), FFIEC CDR, FRED bank series, academic bank panels, HMDA pre-2018 (agency code 2) | Most stable join key across charter changes and over time; carries no inherent attribute info (ID_RSSD in NIC) |
| FDIC Certificate number | Federal Deposit Insurance Corporation | Sequential integer (no check digits) | Every FDIC-insured depository institution (banks and savings institutions) | Unique per insured institution; assigned at insurance, retained through life; not recycled in practice | FDIC BankFind / SDI / Summary of Deposits / failures lists | NIC (ID_FDIC_CERT attribute), HMDA pre-2018 (agency code 3) | Sequential-integer system - not globally unique without an agency qualifier; assigned per head-office depository |
| OCC Charter number | Office of the Comptroller of the Currency | Sequential integer | National banks and (since 2011-07-21) federal savings associations / federal thrifts | Assigned at chartering and retained through life | OCC chartering data | NIC (ID_OCC attribute), HMDA pre-2018 (agency code 1) | Since 2011-07-21 the OCC Charter field also stores national thrifts as thrift docket + 700000 |
| NCUA Charter / ID number | National Credit Union Administration | Sequential integer; banded 1-59999 Federal, 60000-79999 Federally Insured State Chartered, 80000+ Non-Federally Insured | Federally insured credit unions (and some non-federally-insured) | Assigned at chartering and retained through life | NCUA Call Report / Research-a-Credit-Union | NIC (ID_NCUA attribute), HMDA pre-2018 (agency code 5) | Sequential-integer system - not globally unique without an agency qualifier |
| LEI | GLEIF governs; issued by accredited Local Operating Units (LOUs) overseen by the LEI ROC | 20-char alphanumeric: chars 1-4 LOU prefix, 5-18 entity-unique, 19-20 MOD-97-10 checksum (ISO/IEC 7064) | Any legal entity participating in financial transactions worldwide | Permanently unique to one entity; never reused; must be renewed annually to stay active but the code persists | HMDA (filer id) 2018-forward | SEC/CFTC swap reporting, FR Y-series LEI fields, GLEIF golden-copy file, NIC (ID_LEI attribute) | ISO 17442; exists only from ~2012 forward - cannot back-fill pre-2012 panels (coverage gap) |
| ABA Routing Transit Number | American Bankers Association via its registrar (currently LexisNexis Risk Solutions; historically Accuity) | 9 digits FFFF AAAA C: Fed routing symbol (4) + ABA institution id (4) + MOD-10 check digit (1) | Financial institutions eligible for a Federal Reserve master account (payment routing) | Tied to payment routing not entity identity; reassignable/retirable after mergers; reusable across non-concurrent entities; one institution may hold many | Fedwire/ACH routing files / FedACH / E-Payments Routing Directory | NIC (ID_ABA_PRIM attribute) | Not an entity key - never use as a persistent entity identifier |
| OTS Docket number / Thrift ID | (former) Office of Thrift Supervision - defunct since 2011-07-21 | Numeric docket; NIC field 9 chars but only right-most 5 used | Savings institutions / thrifts (legacy) | Legacy identifier; OTS functions transferred to OCC/FDIC/Fed under Dodd-Frank | Legacy thrift datasets / historical TFR (Thrift Financial Report) data | NIC (ID_THRIFT, ID_THRIFT_HC attributes), HMDA pre-2018 (agency code 4, legacy) | New thrift supervision uses OCC Charter / RSSD |
| Federal Tax ID / EIN | Internal Revenue Service | 9 digits NN-NNNNNNN | Any US entity with tax obligations | Permanently assigned to a legal entity; not recycled to another entity | (not a primary bank-regulatory key) | SEC filings, HMDA pre-2018 fallback respondent id, NIC (ID_TAX attribute, eff. 2008-12-31) | Multiple entities under one parent each have their own EIN |
| CIK | SEC EDGAR | Integer, zero-padded to 10 digits in API paths | Any EDGAR filer (companies including public BHCs, funds, individuals) | Assigned at filer signup; unique to the filer and not recycled | SEC EDGAR submissions / XBRL APIs and all SEC filings | (no official CIK-RSSD crosswalk published - UNVERIFIED) | Independent of RSSD/CERT; joining public-BHC financials to regulatory data needs an external crosswalk |
| CUSIP | CUSIP Global Services (operated for the American Bankers Association) | 9 chars: 6-char issuer + 2-char issue + 1 check digit | Securities (equity/debt) of issuers including public BHCs | Identifies a security not the legal entity; reassignment governed by CGS rules | securities datasets | SEC EDGAR full-text search (searchable field), NIC (ID_CUSIP attribute) | Ticker symbols (issued by listing exchange NYSE/Nasdaq) can change/be reused across issuers - also not a stable entity key |