To amend the Internal Revenue Code of 1986 to exclude from the definition of personal holding company income certain royalties and rents derived in the active conduct of a trade or business.

Removing Onerous Obstacles in the Tax code for Mainstreet Businesses Act of 2018 or the ROOT for Mainstreet Businesses Act of 2018 This bill amends the Internal Revenue Code to exclude from personal holding company income certain rents and royalties that are derived in the active conduct of a trade or business and are not received from a related person.