I think both ways are acceptable.

>Sergey,
>
>Thanks for your reply. Forgive me if this is a stupid question. Allow me to explain.
>
>For example, I have an INVOICE data form. Normally, I have the INVOICEHeader and INVOICEDetail child table whose data entry UI is in a single form. If the INVOICEDetail table also has a child table INVOICEDetail2, is it ok put INVOICEDetail2's data entry UI in the same form? Or another 'child' form?
>
>Thanks!
>
>Dennis
>