Business activity code 211110 oil & gas not allowed to efile?

[Anonymous_]

Wrong code for the IRS (Schedule C).

See https://www.irs.gov/instructions/i1040sc#idm140624739413312

[rjs]

Starting with 2022 tax returns, the IRS only accepts principal business activity codes that are in the list in the IRS instructions for Schedule C. The list of allowable codes is at the link that tagteam posted. You must use a code from that list.