Brian,

>I have a Parent , child relationship setup between to BO's.
>oRemit (parent) and oCutoff(child of oRemt)
>I begin a transaction on oRemit and save a record. If that pass's all the rules
>I call a functin on the oCutoff that calls an Update stored procedure passing a few parameters via ExecSprocScalar() function of the BO.
>
>If the transaction is rolled back on the parent oRemit after the update sp on oCutoff the updat on oCutoff is still commited.

Are you manually starting the transaction? You should set AutoUseTransactions to true and a transaction is automatically started on the parent business object.

Best Regards,