Roles are a bit tricky for this very reason.
I am not sure what the order is but I would think it would be documented by
MS.
I use an AD webservice to ID each user and check their group membership.
That way I can set the order for the checking and have more control.

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Clay Fox / Microsoft InfoPath MVP
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> I have built a form that has an initiator/ owner/ reviewer and viewer (read
> only)
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> IanB
Ianb - 20 Feb 2008 21:21 GMT
Thanks Clay.
I have to say I'm blown away by the lack of information on this. Its rare
that users fit into one bucket or the other. Often users have more than one
role (in my case a single user could have three roles). How am I meant to
manage this if I can't predict how the system will behave?
Anyway - as you say it will hopefully be documented somewhere
Cheers
IanB
> Roles are a bit tricky for this very reason.
>
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> > IanB