Check data availability for IRS and website
check_data_irs_web(ein, year = 2019, sources = c("irs", "website"))An Employment Identification Numbers
A year in which a form was filed. The default value is 2019.
The data sources. The default value is c("irs", "website").
A datafram that contains three columns: EIN, its data source and availability. Data availability column is a dummy variable. 1 = data exist. 0 = data don't exist.