OVFS and Form Extensions

So we have just started testing OVFS to see if this solution will work for our financial reports. We have a custom table that stores what I call multi-dimensional category codes. We created this because an account could be one thing for a Monthly report, but another thing for a Board report. So we have a table with each account having 5 levels of 5 category codes. I modified the V0901JK business view to include this custom table so we would have access to use this custom data in our Row Description Queries. I used