Source: U.S. Census Bureau  

Release: Weekly Business Formation Statistics  

Units:  Number, Not Seasonally Adjusted

Frequency:  Weekly, Ending Saturday

Business Applications (BA): The core business applications series that corresponds to a subset of all EIN applications. BA includes all applications for an EIN, except for applications for tax liens, estates, trusts, or certain financial filings, applications with no state-county geocodes, applications from certain agricultural, public entities, and applications in certain industries (e.g. private households, civic and social organizations).

See "About the Data" for more details.