Person Services is setting the following DD nodes for
the VPID (#9000) field in the New Person (#200) file in a post init routine:
^DD(200,9000,0)="VPID^F^^VPID;1^K:$L(X)>29!($L(X)<23) X"
^DD(200,9000,3)="Answer must be 23-29 characters in length."
^DD(200,9000,"DT")=DT