Paid employment consists of full and part-time employees, including salaried officers and executives of corporations, who were on the payroll in the pay period including March 12. Included are employees on sick leave, holidays, and vacations; not included are proprietors and partners of unincorporated businesses. Employment refers to paid employment at the establishment where business is conducted. Note, this will correspond to firm employment only for single-unit establishment firms. Reported to the Internal Revenue Service (IRS) on Form 941. In some cases this value is imputed due to missing or invalid data.