Board of Governors of the Federal Reserve System

The Federal Reserve, the central bank of the United States, provides the nation with a safe, flexible, and stable monetary and financial system.

Micro Data Reference Manual

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Data Dictionary

Item Number 9950

DATE OF OPENING

Call confidentiality applies to FFIEC 031/041.

Series	Start Date	End Date	Confidential?	Reporting Forms
RSSD9950	1959-12-31	9999-12-31	No
SCBK9950	2026-04-09	9999-12-31	No	FR Y-10
SCSL9950	2026-04-09	9999-12-31	No	FR Y-10
SUMD9950	1994-01-01	9999-12-31	No

Data Description:

The date on which the entity's general ledger was opened for the first time and/or the date on which the entity became active. Format is YYYYMMDD. 0 = Not applicable (individuals and pseudo entities)

Last update: Jun 01, 2026