How to enforce Transaction Controls by Expenditure Org?

Summary:

How to enforce Transaction Controls by Expenditure Org?

Content (required):

I have a requirement to have Transaction Controls by Expenditure Org besides what is possible in the Transaction Controls form. Currently, the client (in EBS) has a custom form and a Transaction Control extn to address this.

Currently, the client (in EBS) has a custom form and a Transaction Control extn to address this. The custom form is as follows:

In Cloud, the Org field only allows to be used with a Person and Job and not for any other criteria per screenshot below:

How can this be accomplished in PPM Cloud?