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Quarterly Census of Employment and Wages

BLS UI Modernization

Note: Round to the nearest dollar; do not include decimals or fractions in fields containing dollars.

(For more information about LEHD procedures, go to

LEHD Data Elements
Position Label Data Element Len Data Specification


SSN Social Security Number 9 A 9-digit code indicating each worker's Social Security Number.

Numeric, Do not include hyphens.


Name_first Reference Worker's First Name 15L The first name of the reference worker, if known.

Left Justify, blank fill.


Name_middle Reference Worker's Middle Initial 1L The middle name of the reference worker. if known.

Left justify, blank fill.


Name_last Reference Worker's Last Name 20L The last name (surname) of the reference worker, if known.

Left justify, blank fill.


State Reference State 2R 2-digit FIPS State code for the location of the establishment. (See

Right justify, zero fill.


Empr_no UI Account Number 10R State Employment Security Agency Identification number for the employer (U-I account).

Right justify, zero fill.


Seinunit Reporting Unit Number 5R Reporting Unit Number.

Right justify, zero fill If unknown, zero fill.


EIN Employer Identification Number (EIN) 9R Federal Employer Identification Number (EIN).

Numeric, right justified. If EIN is unknown, zero fill.


Year Reference Year 4 Four digits of the calendar year covered by the report.



Quarter Reference Quarter 1 Quarter identification number within the data year. '1'=First calendar quarter (January to March), '2' =second calendar quarter (April to June), '3'=Third calendar quarter (July to September), '4'=Fourth calendar quarter (October to December).


Wage Quarterly Wages 10R The total amount of wages (both taxable and non-taxable) paid to the Reference Worker during the entire reference quarter that are subject to Unemployment Insurance taxes. The wages for all worksites should match the wages paid that are reported on that States' Quarterly Contribution Report.

Numeric (no $ signs or commas), right-justified, zero fill. If no wages were paid, zero fill. Round to the nearest dollar (Omit cents).


Hours Hours 3R Hours worked in the quarter, if available.

Right justify, zero fill. If unknown, zero fill.


Weeks Weeks 3R Weeks worked in the quarter, if available.

Right justify, zero fill. If unknown, zero fill.


Last Modified Date: September 8, 2022