>I'm curious about where I should be placing my business rules. What should go in the KBizRules subclasses, and what should go in the KBizObj subclasses?
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>KBizRules seems clearly setup to handle data validation type rules. But what about other business processes like doing a credit check, or importing a data file? Should these rules be in the business object or in the business rules object and why?

I just started with Mere Mortals and had the same problem you're having. What I did is create an event object to handle the import of data. The event object instantiates the entity objects (my entity objects map 1-1 with my tables) on Init, then those entity object collaborate in the ExecuteEvent method.

I posted a message here a week or two ago about this, and Kevin said that was the correct way to go. Which in religious terms, means it has been blessed. < g >