Check This Entry Schedule C (uber): Principal Business Code must be entered. Enter a valid 6 digit business activity code between 000001 and 999000, or enter 999999. Prin
Check This Entry Schedule C (uber): Principal Business Code must be entered. Enter a valid 6 digit business activity code between 000001 and 999000, or enter 999999. Principal Business Code I can't find this 6 digit code
