https://ttlc.intuit.com/community/taxes/discussion/the-principal-business-codes-are-based-on-the-north-ameri/01/448283#M184305 <P>The principal business codes are based on the North American Industry Classification System and&nbsp;<I><B>designed to classify&nbsp;a business&nbsp;by the type of activity in which it is engaged</B></I> to facilitate the administration of the Internal Revenue Code. You can find all of the codes by clicking the link below. <U>Choose which code best matches the type of work the miscellaneous income you have is related to.</U></P><P> <A href="https://www.irs.gov/pub/irs-pdf/i1040sc.pdf" rel="nofollow" target="_blank">https://www.irs.gov/pub/irs-pdf/i1040sc.pdf</A> <BR /> </P> Tue, 04 Jun 2019 22:47:14 GMT cameaf 2019-06-04T22:47:14Z https://ttlc.intuit.com/community/taxes/discussion/help-with-misc-income/01/448280#M184303 <P>what is the principal business code?</P> Tue, 04 Jun 2019 22:47:13 GMT https://ttlc.intuit.com/community/taxes/discussion/help-with-misc-income/01/448280#M184303 wicket001 2019-06-04T22:47:13Z https://ttlc.intuit.com/community/taxes/discussion/the-principal-business-codes-are-based-on-the-north-ameri/01/448283#M184305 <P>The principal business codes are based on the North American Industry Classification System and&nbsp;<I><B>designed to classify&nbsp;a business&nbsp;by the type of activity in which it is engaged</B></I> to facilitate the administration of the Internal Revenue Code. You can find all of the codes by clicking the link below. <U>Choose which code best matches the type of work the miscellaneous income you have is related to.</U></P><P> <A href="https://www.irs.gov/pub/irs-pdf/i1040sc.pdf" rel="nofollow" target="_blank">https://www.irs.gov/pub/irs-pdf/i1040sc.pdf</A> <BR /> </P> Tue, 04 Jun 2019 22:47:14 GMT https://ttlc.intuit.com/community/taxes/discussion/the-principal-business-codes-are-based-on-the-north-ameri/01/448283#M184305 cameaf 2019-06-04T22:47:14Z