Instructions for Form 1120ICDISC (12/2021) Internal Revenue Service
Form 1120 Business Activity Codes. Web 211120 crude petroleum extraction 211130 natural gas extraction 212110 coal mining 212200 metal ore mining 212310 stone. Web these principal business activity codes are based on the north american industry classification system.
Web these principal business activity codes are based on the north american industry classification system. Web 211120 crude petroleum extraction 211130 natural gas extraction 212110 coal mining 212200 metal ore mining 212310 stone.
Web these principal business activity codes are based on the north american industry classification system. Web 211120 crude petroleum extraction 211130 natural gas extraction 212110 coal mining 212200 metal ore mining 212310 stone. Web these principal business activity codes are based on the north american industry classification system.
