ETA 3161.2011 Apportionment of Income by Stockbrokers and Security Houses. This ETA explains how stockbrokers and security houses should apportion their income for B&O tax purposes. It discusses when and under what circumstances single factor receipts formula, cost apportionment, and the "60/40 convention" methods of apportionment apply.
A copy of this document is available via the internet at Recent Rule and Interpretive Statements, Adoptions, and Repeals.
Alan R. Lynn